Finding the Fourth Proportional to 47,382.57, 70,864.61 and 42,154.29

Step by Step Solution

1. Step 1: Write the proportion equation
   47,382.57 : 70,864.61 = 42,154.29 : x
2. Step 2: Convert to fraction form
   47,382.57/70,864.61 = 42,154.29/x
3. Step 3: Cross multiply
   47,382.57x = 70,864.61 × 42,154.29
4. Step 4: Simplify right side
   47,382.57x = 2,987,247,109.91
5. Step 5: Solve for x
   x = 2,987,247,109.91/47,382.57
6. Step 6: Final answer
   x = 63,045.27