Finding the Fourth Proportional to 2,312.88, 3,469.59 and 752.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.88 : 3,469.59 = 752.82 : x
2. Step 2: Convert to fraction form
   2,312.88/3,469.59 = 752.82/x
3. Step 3: Cross multiply
   2,312.88x = 3,469.59 × 752.82
4. Step 4: Simplify right side
   2,312.88x = 2,611,976.74
5. Step 5: Solve for x
   x = 2,611,976.74/2,312.88
6. Step 6: Final answer
   x = 1,129.32