Finding the Fourth Proportional to 302,706,443,646.54, 417,538,060,724.88 and 194,147,590,562.82

Step by Step Solution

1. Step 1: Write the proportion equation
   302,706,443,646.54 : 417,538,060,724.88 = 194,147,590,562.82 : x
2. Step 2: Convert to fraction form
   302,706,443,646.54/417,538,060,724.88 = 194,147,590,562.82/x
3. Step 3: Cross multiply
   302,706,443,646.54x = 417,538,060,724.88 × 194,147,590,562.82
4. Step 4: Simplify right side
   302,706,443,646.54x = 81,064,008,458,007,883,022,336
5. Step 5: Solve for x
   x = 81,064,008,458,007,883,022,336/302,706,443,646.54
6. Step 6: Final answer
   x = 267,797,432,659.42