Finding the Fourth Proportional to 10,025.68, 15,035.64 and 3,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,025.68 : 15,035.64 = 3,100.72 : x
2. Step 2: Convert to fraction form
   10,025.68/15,035.64 = 3,100.72/x
3. Step 3: Cross multiply
   10,025.68x = 15,035.64 × 3,100.72
4. Step 4: Simplify right side
   10,025.68x = 46,621,309.66
5. Step 5: Solve for x
   x = 46,621,309.66/10,025.68
6. Step 6: Final answer
   x = 4,650.19