Finding the Fourth Proportional to 9,287.60, 12,814.94 and 5,510.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,287.60 : 12,814.94 = 5,510.23 : x
2. Step 2: Convert to fraction form
   9,287.60/12,814.94 = 5,510.23/x
3. Step 3: Cross multiply
   9,287.60x = 12,814.94 × 5,510.23
4. Step 4: Simplify right side
   9,287.60x = 70,613,248.57
5. Step 5: Solve for x
   x = 70,613,248.57/9,287.60
6. Step 6: Final answer
   x = 7,602.96