Finding the Fourth Proportional to 42,061.86, 63,092.98 and 10,471.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,061.86 : 63,092.98 = 10,471.88 : x
2. Step 2: Convert to fraction form
   42,061.86/63,092.98 = 10,471.88/x
3. Step 3: Cross multiply
   42,061.86x = 63,092.98 × 10,471.88
4. Step 4: Simplify right side
   42,061.86x = 660,702,227.32
5. Step 5: Solve for x
   x = 660,702,227.32/42,061.86
6. Step 6: Final answer
   x = 15,707.87