Finding the Fourth Proportional to 14,111.78, 21,126.24 and 7,432.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.78 : 21,126.24 = 7,432.52 : x
2. Step 2: Convert to fraction form
   14,111.78/21,126.24 = 7,432.52/x
3. Step 3: Cross multiply
   14,111.78x = 21,126.24 × 7,432.52
4. Step 4: Simplify right side
   14,111.78x = 157,021,201.32
5. Step 5: Solve for x
   x = 157,021,201.32/14,111.78
6. Step 6: Final answer
   x = 11,126.96