Finding the Fourth Proportional to 9,429.34, 14,147.25 and 5,915.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.34 : 14,147.25 = 5,915.11 : x
2. Step 2: Convert to fraction form
   9,429.34/14,147.25 = 5,915.11/x
3. Step 3: Cross multiply
   9,429.34x = 14,147.25 × 5,915.11
4. Step 4: Simplify right side
   9,429.34x = 83,682,539.95
5. Step 5: Solve for x
   x = 83,682,539.95/9,429.34
6. Step 6: Final answer
   x = 8,874.70