Finding the Fourth Proportional to 20,659.59, 30,986.35 and 5,868.18

Step by Step Solution

1. Step 1: Write the proportion equation
   20,659.59 : 30,986.35 = 5,868.18 : x
2. Step 2: Convert to fraction form
   20,659.59/30,986.35 = 5,868.18/x
3. Step 3: Cross multiply
   20,659.59x = 30,986.35 × 5,868.18
4. Step 4: Simplify right side
   20,659.59x = 181,833,464.67
5. Step 5: Solve for x
   x = 181,833,464.67/20,659.59
6. Step 6: Final answer
   x = 8,801.41