Finding the Fourth Proportional to 9,477.90, 13,080.69 and 5,498.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477.90 : 13,080.69 = 5,498.16 : x
2. Step 2: Convert to fraction form
   9,477.90/13,080.69 = 5,498.16/x
3. Step 3: Cross multiply
   9,477.90x = 13,080.69 × 5,498.16
4. Step 4: Simplify right side
   9,477.90x = 71,919,726.53
5. Step 5: Solve for x
   x = 71,919,726.53/9,477.90
6. Step 6: Final answer
   x = 7,588.15