Finding the Fourth Proportional to 1,441.59, 2,159.34 and 790.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.59 : 2,159.34 = 790.75 : x
2. Step 2: Convert to fraction form
   1,441.59/2,159.34 = 790.75/x
3. Step 3: Cross multiply
   1,441.59x = 2,159.34 × 790.75
4. Step 4: Simplify right side
   1,441.59x = 1,707,498.11
5. Step 5: Solve for x
   x = 1,707,498.11/1,441.59
6. Step 6: Final answer
   x = 1,184.45