Finding the Fourth Proportional to 2,332.31, 3,498.55 and 772.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,332.31 : 3,498.55 = 772.35 : x
2. Step 2: Convert to fraction form
   2,332.31/3,498.55 = 772.35/x
3. Step 3: Cross multiply
   2,332.31x = 3,498.55 × 772.35
4. Step 4: Simplify right side
   2,332.31x = 2,702,105.09
5. Step 5: Solve for x
   x = 2,702,105.09/2,332.31
6. Step 6: Final answer
   x = 1,158.55