Finding the Fourth Proportional to 2,332.79, 3,498.24 and 872.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,332.79 : 3,498.24 = 872.05 : x
2. Step 2: Convert to fraction form
   2,332.79/3,498.24 = 872.05/x
3. Step 3: Cross multiply
   2,332.79x = 3,498.24 × 872.05
4. Step 4: Simplify right side
   2,332.79x = 3,050,640.19
5. Step 5: Solve for x
   x = 3,050,640.19/2,332.79
6. Step 6: Final answer
   x = 1,307.72