Finding the Fourth Proportional to 3,915.91, 5,875.93 and 1,726.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.91 : 5,875.93 = 1,726.15 : x
2. Step 2: Convert to fraction form
   3,915.91/5,875.93 = 1,726.15/x
3. Step 3: Cross multiply
   3,915.91x = 5,875.93 × 1,726.15
4. Step 4: Simplify right side
   3,915.91x = 10,142,736.57
5. Step 5: Solve for x
   x = 10,142,736.57/3,915.91
6. Step 6: Final answer
   x = 2,590.14