Finding the Fourth Proportional to 42,061.47, 63,068.57 and 13,966.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,061.47 : 63,068.57 = 13,966.50 : x
2. Step 2: Convert to fraction form
   42,061.47/63,068.57 = 13,966.50/x
3. Step 3: Cross multiply
   42,061.47x = 63,068.57 × 13,966.50
4. Step 4: Simplify right side
   42,061.47x = 880,847,182.91
5. Step 5: Solve for x
   x = 880,847,182.91/42,061.47
6. Step 6: Final answer
   x = 20,941.90