Finding the Fourth Proportional to 42,131.52, 63,200.16 and 14,448.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,131.52 : 63,200.16 = 14,448.96 : x
2. Step 2: Convert to fraction form
   42,131.52/63,200.16 = 14,448.96/x
3. Step 3: Cross multiply
   42,131.52x = 63,200.16 × 14,448.96
4. Step 4: Simplify right side
   42,131.52x = 913,176,583.83
5. Step 5: Solve for x
   x = 913,176,583.83/42,131.52
6. Step 6: Final answer
   x = 21,674.43