Finding the Fourth Proportional to 2,332.26, 3,498.18 and 870.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,332.26 : 3,498.18 = 870.72 : x
2. Step 2: Convert to fraction form
   2,332.26/3,498.18 = 870.72/x
3. Step 3: Cross multiply
   2,332.26x = 3,498.18 × 870.72
4. Step 4: Simplify right side
   2,332.26x = 3,045,935.29
5. Step 5: Solve for x
   x = 3,045,935.29/2,332.26
6. Step 6: Final answer
   x = 1,306.00