Finding the Fourth Proportional to 1,458.77, 2,185.72 and 1,025.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.77 : 2,185.72 = 1,025.15 : x
2. Step 2: Convert to fraction form
   1,458.77/2,185.72 = 1,025.15/x
3. Step 3: Cross multiply
   1,458.77x = 2,185.72 × 1,025.15
4. Step 4: Simplify right side
   1,458.77x = 2,240,690.86
5. Step 5: Solve for x
   x = 2,240,690.86/1,458.77
6. Step 6: Final answer
   x = 1,536.01