Finding the Fourth Proportional to 9,477.74, 13,080.87 and 5,502.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477.74 : 13,080.87 = 5,502.15 : x
2. Step 2: Convert to fraction form
   9,477.74/13,080.87 = 5,502.15/x
3. Step 3: Cross multiply
   9,477.74x = 13,080.87 × 5,502.15
4. Step 4: Simplify right side
   9,477.74x = 71,972,908.87
5. Step 5: Solve for x
   x = 71,972,908.87/9,477.74
6. Step 6: Final answer
   x = 7,593.89