Finding the Fourth Proportional to 2,529.61, 3,796.13 and 886.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.61 : 3,796.13 = 886.17 : x
2. Step 2: Convert to fraction form
   2,529.61/3,796.13 = 886.17/x
3. Step 3: Cross multiply
   2,529.61x = 3,796.13 × 886.17
4. Step 4: Simplify right side
   2,529.61x = 3,364,016.52
5. Step 5: Solve for x
   x = 3,364,016.52/2,529.61
6. Step 6: Final answer
   x = 1,329.86