Finding the Fourth Proportional to 9,712.66, 13,402.98 and 5,520.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,712.66 : 13,402.98 = 5,520.82 : x
2. Step 2: Convert to fraction form
   9,712.66/13,402.98 = 5,520.82/x
3. Step 3: Cross multiply
   9,712.66x = 13,402.98 × 5,520.82
4. Step 4: Simplify right side
   9,712.66x = 73,995,440.04
5. Step 5: Solve for x
   x = 73,995,440.04/9,712.66
6. Step 6: Final answer
   x = 7,618.45