Finding the Fourth Proportional to 1,865.18, 2,573.83 and 1,025.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865.18 : 2,573.83 = 1,025.93 : x
2. Step 2: Convert to fraction form
   1,865.18/2,573.83 = 1,025.93/x
3. Step 3: Cross multiply
   1,865.18x = 2,573.83 × 1,025.93
4. Step 4: Simplify right side
   1,865.18x = 2,640,569.41
5. Step 5: Solve for x
   x = 2,640,569.41/1,865.18
6. Step 6: Final answer
   x = 1,415.72