Finding the Fourth Proportional to 10,098.77, 15,144.50 and 4,255.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,098.77 : 15,144.50 = 4,255.83 : x
2. Step 2: Convert to fraction form
   10,098.77/15,144.50 = 4,255.83/x
3. Step 3: Cross multiply
   10,098.77x = 15,144.50 × 4,255.83
4. Step 4: Simplify right side
   10,098.77x = 64,452,396.16
5. Step 5: Solve for x
   x = 64,452,396.16/10,098.77
6. Step 6: Final answer
   x = 6,382.21