Finding the Fourth Proportional to 9,354.32, 14,031.34 and 5,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,354.32 : 14,031.34 = 5,411.50 : x
2. Step 2: Convert to fraction form
   9,354.32/14,031.34 = 5,411.50/x
3. Step 3: Cross multiply
   9,354.32x = 14,031.34 × 5,411.50
4. Step 4: Simplify right side
   9,354.32x = 75,930,596.41
5. Step 5: Solve for x
   x = 75,930,596.41/9,354.32
6. Step 6: Final answer
   x = 8,117.17