Finding the Fourth Proportional to 12,032.50, 18,040.56 and 7,354.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,032.50 : 18,040.56 = 7,354.15 : x
2. Step 2: Convert to fraction form
   12,032.50/18,040.56 = 7,354.15/x
3. Step 3: Cross multiply
   12,032.50x = 18,040.56 × 7,354.15
4. Step 4: Simplify right side
   12,032.50x = 132,672,984.32
5. Step 5: Solve for x
   x = 132,672,984.32/12,032.50
6. Step 6: Final answer
   x = 11,026.22