Finding the Fourth Proportional to 9,476.88, 13,080.80 and 5,498.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,476.88 : 13,080.80 = 5,498.88 : x
2. Step 2: Convert to fraction form
   9,476.88/13,080.80 = 5,498.88/x
3. Step 3: Cross multiply
   9,476.88x = 13,080.80 × 5,498.88
4. Step 4: Simplify right side
   9,476.88x = 71,929,749.50
5. Step 5: Solve for x
   x = 71,929,749.50/9,476.88
6. Step 6: Final answer
   x = 7,590.02