Finding the Fourth Proportional to 1,875.08, 2,587.71 and 1,078.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.08 : 2,587.71 = 1,078.65 : x
2. Step 2: Convert to fraction form
   1,875.08/2,587.71 = 1,078.65/x
3. Step 3: Cross multiply
   1,875.08x = 2,587.71 × 1,078.65
4. Step 4: Simplify right side
   1,875.08x = 2,791,233.39
5. Step 5: Solve for x
   x = 2,791,233.39/1,875.08
6. Step 6: Final answer
   x = 1,488.60