Finding the Fourth Proportional to 1,358.32, 1,874.57 and 760.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.32 : 1,874.57 = 760.87 : x
2. Step 2: Convert to fraction form
   1,358.32/1,874.57 = 760.87/x
3. Step 3: Cross multiply
   1,358.32x = 1,874.57 × 760.87
4. Step 4: Simplify right side
   1,358.32x = 1,426,301.29
5. Step 5: Solve for x
   x = 1,426,301.29/1,358.32
6. Step 6: Final answer
   x = 1,050.05