Finding the Fourth Proportional to 10,337.60, 14,265.96 and 5,621.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,337.60 : 14,265.96 = 5,621.78 : x
2. Step 2: Convert to fraction form
   10,337.60/14,265.96 = 5,621.78/x
3. Step 3: Cross multiply
   10,337.60x = 14,265.96 × 5,621.78
4. Step 4: Simplify right side
   10,337.60x = 80,200,088.61
5. Step 5: Solve for x
   x = 80,200,088.61/10,337.60
6. Step 6: Final answer
   x = 7,758.10