Finding the Fourth Proportional to 8,740.64, 13,105.78 and 3,472.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,740.64 : 13,105.78 = 3,472.83 : x
2. Step 2: Convert to fraction form
   8,740.64/13,105.78 = 3,472.83/x
3. Step 3: Cross multiply
   8,740.64x = 13,105.78 × 3,472.83
4. Step 4: Simplify right side
   8,740.64x = 45,514,088.13
5. Step 5: Solve for x
   x = 45,514,088.13/8,740.64
6. Step 6: Final answer
   x = 5,207.18