Finding the Fourth Proportional to 9,476.79, 13,080.86 and 5,499.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,476.79 : 13,080.86 = 5,499.48 : x
2. Step 2: Convert to fraction form
   9,476.79/13,080.86 = 5,499.48/x
3. Step 3: Cross multiply
   9,476.79x = 13,080.86 × 5,499.48
4. Step 4: Simplify right side
   9,476.79x = 71,937,927.95
5. Step 5: Solve for x
   x = 71,937,927.95/9,476.79
6. Step 6: Final answer
   x = 7,590.96