Finding the Fourth Proportional to 5,834.18, 8,748.05 and 3,987.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,834.18 : 8,748.05 = 3,987.38 : x
2. Step 2: Convert to fraction form
   5,834.18/8,748.05 = 3,987.38/x
3. Step 3: Cross multiply
   5,834.18x = 8,748.05 × 3,987.38
4. Step 4: Simplify right side
   5,834.18x = 34,881,735.93
5. Step 5: Solve for x
   x = 34,881,735.93/5,834.18
6. Step 6: Final answer
   x = 5,978.86