Finding the Fourth Proportional to 42,084.48, 63,126.72 and 14,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,084.48 : 63,126.72 = 14,382.72 : x
2. Step 2: Convert to fraction form
   42,084.48/63,126.72 = 14,382.72/x
3. Step 3: Cross multiply
   42,084.48x = 63,126.72 × 14,382.72
4. Step 4: Simplify right side
   42,084.48x = 907,933,938.28
5. Step 5: Solve for x
   x = 907,933,938.28/42,084.48
6. Step 6: Final answer
   x = 21,574.08