Finding the Fourth Proportional to 4,100.58, 6,139.92 and 2,148.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,100.58 : 6,139.92 = 2,148.69 : x
2. Step 2: Convert to fraction form
   4,100.58/6,139.92 = 2,148.69/x
3. Step 3: Cross multiply
   4,100.58x = 6,139.92 × 2,148.69
4. Step 4: Simplify right side
   4,100.58x = 13,192,784.70
5. Step 5: Solve for x
   x = 13,192,784.70/4,100.58
6. Step 6: Final answer
   x = 3,217.30