Finding the Fourth Proportional to 10,099.28, 15,149.17 and 3,435.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,099.28 : 15,149.17 = 3,435.77 : x
2. Step 2: Convert to fraction form
   10,099.28/15,149.17 = 3,435.77/x
3. Step 3: Cross multiply
   10,099.28x = 15,149.17 × 3,435.77
4. Step 4: Simplify right side
   10,099.28x = 52,049,011.10
5. Step 5: Solve for x
   x = 52,049,011.10/10,099.28
6. Step 6: Final answer
   x = 5,153.73