Finding the Fourth Proportional to 9,515.80, 13,130.04 and 5,535.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515.80 : 13,130.04 = 5,535.46 : x
2. Step 2: Convert to fraction form
   9,515.80/13,130.04 = 5,535.46/x
3. Step 3: Cross multiply
   9,515.80x = 13,130.04 × 5,535.46
4. Step 4: Simplify right side
   9,515.80x = 72,680,811.22
5. Step 5: Solve for x
   x = 72,680,811.22/9,515.80
6. Step 6: Final answer
   x = 7,637.91