Finding the Fourth Proportional to 42,154.71, 58,064.46 and 29,385.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,154.71 : 58,064.46 = 29,385.12 : x
2. Step 2: Convert to fraction form
   42,154.71/58,064.46 = 29,385.12/x
3. Step 3: Cross multiply
   42,154.71x = 58,064.46 × 29,385.12
4. Step 4: Simplify right side
   42,154.71x = 1,706,231,124.84
5. Step 5: Solve for x
   x = 1,706,231,124.84/42,154.71
6. Step 6: Final answer
   x = 40,475.46