Finding the Fourth Proportional to 9,078.16, 13,615.61 and 2,502.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078.16 : 13,615.61 = 2,502.72 : x
2. Step 2: Convert to fraction form
   9,078.16/13,615.61 = 2,502.72/x
3. Step 3: Cross multiply
   9,078.16x = 13,615.61 × 2,502.72
4. Step 4: Simplify right side
   9,078.16x = 34,076,059.46
5. Step 5: Solve for x
   x = 34,076,059.46/9,078.16
6. Step 6: Final answer
   x = 3,753.63