Finding the Fourth Proportional to 9,404,693,844.12, 12,978,479,623.32 and 5,175,605,732.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404,693,844.12 : 12,978,479,623.32 = 5,175,605,732.76 : x
2. Step 2: Convert to fraction form
   9,404,693,844.12/12,978,479,623.32 = 5,175,605,732.76/x
3. Step 3: Cross multiply
   9,404,693,844.12x = 12,978,479,623.32 × 5,175,605,732.76
4. Step 4: Simplify right side
   9,404,693,844.12x = 67,171,493,540,963,835,904
5. Step 5: Solve for x
   x = 67,171,493,540,963,835,904/9,404,693,844.12
6. Step 6: Final answer
   x = 7,142,337,077.03