Finding the Fourth Proportional to 9,711.52, 13,404.91 and 7,470.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,711.52 : 13,404.91 = 7,470.76 : x
2. Step 2: Convert to fraction form
   9,711.52/13,404.91 = 7,470.76/x
3. Step 3: Cross multiply
   9,711.52x = 13,404.91 × 7,470.76
4. Step 4: Simplify right side
   9,711.52x = 100,144,783.17
5. Step 5: Solve for x
   x = 100,144,783.17/9,711.52
6. Step 6: Final answer
   x = 10,311.96