Finding the Fourth Proportional to 8,875.24, 13,314.78 and 2,635.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,875.24 : 13,314.78 = 2,635.72 : x
2. Step 2: Convert to fraction form
   8,875.24/13,314.78 = 2,635.72/x
3. Step 3: Cross multiply
   8,875.24x = 13,314.78 × 2,635.72
4. Step 4: Simplify right side
   8,875.24x = 35,094,031.94
5. Step 5: Solve for x
   x = 35,094,031.94/8,875.24
6. Step 6: Final answer
   x = 3,954.15