Finding the Fourth Proportional to 5,870.88, 8,786.88 and 3,926.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.88 : 8,786.88 = 3,926.88 : x
2. Step 2: Convert to fraction form
   5,870.88/8,786.88 = 3,926.88/x
3. Step 3: Cross multiply
   5,870.88x = 8,786.88 × 3,926.88
4. Step 4: Simplify right side
   5,870.88x = 34,505,023.33
5. Step 5: Solve for x
   x = 34,505,023.33/5,870.88
6. Step 6: Final answer
   x = 5,877.32