Finding the Fourth Proportional to 9,036.16, 12,470.28 and 5,587.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,036.16 : 12,470.28 = 5,587.49 : x
2. Step 2: Convert to fraction form
   9,036.16/12,470.28 = 5,587.49/x
3. Step 3: Cross multiply
   9,036.16x = 12,470.28 × 5,587.49
4. Step 4: Simplify right side
   9,036.16x = 69,677,564.80
5. Step 5: Solve for x
   x = 69,677,564.80/9,036.16
6. Step 6: Final answer
   x = 7,710.97