Finding the Fourth Proportional to 9,522.61, 13,145.69 and 6,341.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,522.61 : 13,145.69 = 6,341.20 : x
2. Step 2: Convert to fraction form
   9,522.61/13,145.69 = 6,341.20/x
3. Step 3: Cross multiply
   9,522.61x = 13,145.69 × 6,341.20
4. Step 4: Simplify right side
   9,522.61x = 83,359,384.86
5. Step 5: Solve for x
   x = 83,359,384.86/9,522.61
6. Step 6: Final answer
   x = 8,753.84