Finding the Fourth Proportional to 8,875.72, 13,321.76 and 4,496.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,875.72 : 13,321.76 = 4,496.28 : x
2. Step 2: Convert to fraction form
   8,875.72/13,321.76 = 4,496.28/x
3. Step 3: Cross multiply
   8,875.72x = 13,321.76 × 4,496.28
4. Step 4: Simplify right side
   8,875.72x = 59,898,363.05
5. Step 5: Solve for x
   x = 59,898,363.05/8,875.72
6. Step 6: Final answer
   x = 6,748.56