Finding the Fourth Proportional to 6,404.50, 8,837.27 and 3,715.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.50 : 8,837.27 = 3,715.61 : x
2. Step 2: Convert to fraction form
   6,404.50/8,837.27 = 3,715.61/x
3. Step 3: Cross multiply
   6,404.50x = 8,837.27 × 3,715.61
4. Step 4: Simplify right side
   6,404.50x = 32,835,799.95
5. Step 5: Solve for x
   x = 32,835,799.95/6,404.50
6. Step 6: Final answer
   x = 5,126.99