Finding the Fourth Proportional to 2,332.86, 3,499.12 and 772.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,332.86 : 3,499.12 = 772.70 : x
2. Step 2: Convert to fraction form
   2,332.86/3,499.12 = 772.70/x
3. Step 3: Cross multiply
   2,332.86x = 3,499.12 × 772.70
4. Step 4: Simplify right side
   2,332.86x = 2,703,770.02
5. Step 5: Solve for x
   x = 2,703,770.02/2,332.86
6. Step 6: Final answer
   x = 1,158.99