Finding the Fourth Proportional to 14,388.98, 21,499.47 and 10,624.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,388.98 : 21,499.47 = 10,624.82 : x
2. Step 2: Convert to fraction form
   14,388.98/21,499.47 = 10,624.82/x
3. Step 3: Cross multiply
   14,388.98x = 21,499.47 × 10,624.82
4. Step 4: Simplify right side
   14,388.98x = 228,427,945.72
5. Step 5: Solve for x
   x = 228,427,945.72/14,388.98
6. Step 6: Final answer
   x = 15,875.20