Finding the Fourth Proportional to 42,570.65, 63,796.16 and 33,646.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,570.65 : 63,796.16 = 33,646.74 : x
2. Step 2: Convert to fraction form
   42,570.65/63,796.16 = 33,646.74/x
3. Step 3: Cross multiply
   42,570.65x = 63,796.16 × 33,646.74
4. Step 4: Simplify right side
   42,570.65x = 2,146,532,892.64
5. Step 5: Solve for x
   x = 2,146,532,892.64/42,570.65
6. Step 6: Final answer
   x = 50,422.84