Finding the Fourth Proportional to 9,476.61, 13,080.32 and 5,499

Step by Step Solution

1. Step 1: Write the proportion equation
   9,476.61 : 13,080.32 = 5,499 : x
2. Step 2: Convert to fraction form
   9,476.61/13,080.32 = 5,499/x
3. Step 3: Cross multiply
   9,476.61x = 13,080.32 × 5,499
4. Step 4: Simplify right side
   9,476.61x = 71,928,672.81
5. Step 5: Solve for x
   x = 71,928,672.81/9,476.61
6. Step 6: Final answer
   x = 7,590.13