Finding the Fourth Proportional to 42,256.52, 63,392.31 and 14,185.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,256.52 : 63,392.31 = 14,185.71 : x
2. Step 2: Convert to fraction form
   42,256.52/63,392.31 = 14,185.71/x
3. Step 3: Cross multiply
   42,256.52x = 63,392.31 × 14,185.71
4. Step 4: Simplify right side
   42,256.52x = 899,264,925.89
5. Step 5: Solve for x
   x = 899,264,925.89/42,256.52
6. Step 6: Final answer
   x = 21,281.10