Finding the Fourth Proportional to 2,529.91, 3,796.61 and 886.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.91 : 3,796.61 = 886.47 : x
2. Step 2: Convert to fraction form
   2,529.91/3,796.61 = 886.47/x
3. Step 3: Cross multiply
   2,529.91x = 3,796.61 × 886.47
4. Step 4: Simplify right side
   2,529.91x = 3,365,561.88
5. Step 5: Solve for x
   x = 3,365,561.88/2,529.91
6. Step 6: Final answer
   x = 1,330.31