Finding the Fourth Proportional to 13,032.85, 17,978.71 and 8,244.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,032.85 : 17,978.71 = 8,244.73 : x
2. Step 2: Convert to fraction form
   13,032.85/17,978.71 = 8,244.73/x
3. Step 3: Cross multiply
   13,032.85x = 17,978.71 × 8,244.73
4. Step 4: Simplify right side
   13,032.85x = 148,229,609.70
5. Step 5: Solve for x
   x = 148,229,609.70/13,032.85
6. Step 6: Final answer
   x = 11,373.54