Finding the Fourth Proportional to 1,350.52, 1,863.56 and 790.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.52 : 1,863.56 = 790.61 : x
2. Step 2: Convert to fraction form
   1,350.52/1,863.56 = 790.61/x
3. Step 3: Cross multiply
   1,350.52x = 1,863.56 × 790.61
4. Step 4: Simplify right side
   1,350.52x = 1,473,341.83
5. Step 5: Solve for x
   x = 1,473,341.83/1,350.52
6. Step 6: Final answer
   x = 1,090.95