Finding the Fourth Proportional to 3,916.16, 5,875.52 and 1,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,916.16 : 5,875.52 = 1,726.72 : x
2. Step 2: Convert to fraction form
   3,916.16/5,875.52 = 1,726.72/x
3. Step 3: Cross multiply
   3,916.16x = 5,875.52 × 1,726.72
4. Step 4: Simplify right side
   3,916.16x = 10,145,377.89
5. Step 5: Solve for x
   x = 10,145,377.89/3,916.16
6. Step 6: Final answer
   x = 2,590.64