Finding the Fourth Proportional to 14,312.50, 21,443.72 and 9,932.74

Step by Step Solution

1. Step 1: Write the proportion equation
   14,312.50 : 21,443.72 = 9,932.74 : x
2. Step 2: Convert to fraction form
   14,312.50/21,443.72 = 9,932.74/x
3. Step 3: Cross multiply
   14,312.50x = 21,443.72 × 9,932.74
4. Step 4: Simplify right side
   14,312.50x = 212,994,895.39
5. Step 5: Solve for x
   x = 212,994,895.39/14,312.50
6. Step 6: Final answer
   x = 14,881.74