Finding the Fourth Proportional to 42,472.04, 63,683.46 and 14,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,472.04 : 63,683.46 = 14,382.72 : x
2. Step 2: Convert to fraction form
   42,472.04/63,683.46 = 14,382.72/x
3. Step 3: Cross multiply
   42,472.04x = 63,683.46 × 14,382.72
4. Step 4: Simplify right side
   42,472.04x = 915,941,373.81
5. Step 5: Solve for x
   x = 915,941,373.81/42,472.04
6. Step 6: Final answer
   x = 21,565.75