Finding the Fourth Proportional to 5,842.24, 8,758.63 and 3,988.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,842.24 : 8,758.63 = 3,988.69 : x
2. Step 2: Convert to fraction form
   5,842.24/8,758.63 = 3,988.69/x
3. Step 3: Cross multiply
   5,842.24x = 8,758.63 × 3,988.69
4. Step 4: Simplify right side
   5,842.24x = 34,935,459.89
5. Step 5: Solve for x
   x = 34,935,459.89/5,842.24
6. Step 6: Final answer
   x = 5,979.81