Finding the Fourth Proportional to 12,697.76, 17,522.88 and 7,032.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,697.76 : 17,522.88 = 7,032.80 : x
2. Step 2: Convert to fraction form
   12,697.76/17,522.88 = 7,032.80/x
3. Step 3: Cross multiply
   12,697.76x = 17,522.88 × 7,032.80
4. Step 4: Simplify right side
   12,697.76x = 123,234,910.46
5. Step 5: Solve for x
   x = 123,234,910.46/12,697.76
6. Step 6: Final answer
   x = 9,705.25