Finding the Fourth Proportional to 1,865.17, 2,573.96 and 1,025.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865.17 : 2,573.96 = 1,025.96 : x
2. Step 2: Convert to fraction form
   1,865.17/2,573.96 = 1,025.96/x
3. Step 3: Cross multiply
   1,865.17x = 2,573.96 × 1,025.96
4. Step 4: Simplify right side
   1,865.17x = 2,640,762.00
5. Step 5: Solve for x
   x = 2,640,762.00/1,865.17
6. Step 6: Final answer
   x = 1,415.83