Finding the Fourth Proportional to 42,001.30, 62,856.15 and 38,502.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,001.30 : 62,856.15 = 38,502.10 : x
2. Step 2: Convert to fraction form
   42,001.30/62,856.15 = 38,502.10/x
3. Step 3: Cross multiply
   42,001.30x = 62,856.15 × 38,502.10
4. Step 4: Simplify right side
   42,001.30x = 2,420,093,772.92
5. Step 5: Solve for x
   x = 2,420,093,772.92/42,001.30
6. Step 6: Final answer
   x = 57,619.50