Finding the Fourth Proportional to 2,312.89, 3,469.58 and 752.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.89 : 3,469.58 = 752.83 : x
2. Step 2: Convert to fraction form
   2,312.89/3,469.58 = 752.83/x
3. Step 3: Cross multiply
   2,312.89x = 3,469.58 × 752.83
4. Step 4: Simplify right side
   2,312.89x = 2,612,003.91
5. Step 5: Solve for x
   x = 2,612,003.91/2,312.89
6. Step 6: Final answer
   x = 1,129.32