Finding the Fourth Proportional to 8,002.16, 11,038.54 and 5,615.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,002.16 : 11,038.54 = 5,615.71 : x
2. Step 2: Convert to fraction form
   8,002.16/11,038.54 = 5,615.71/x
3. Step 3: Cross multiply
   8,002.16x = 11,038.54 × 5,615.71
4. Step 4: Simplify right side
   8,002.16x = 61,989,239.46
5. Step 5: Solve for x
   x = 61,989,239.46/8,002.16
6. Step 6: Final answer
   x = 7,746.56