Finding the Fourth Proportional to 2,617.86, 3,924.15 and 1,156.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.86 : 3,924.15 = 1,156.76 : x
2. Step 2: Convert to fraction form
   2,617.86/3,924.15 = 1,156.76/x
3. Step 3: Cross multiply
   2,617.86x = 3,924.15 × 1,156.76
4. Step 4: Simplify right side
   2,617.86x = 4,539,299.75
5. Step 5: Solve for x
   x = 4,539,299.75/2,617.86
6. Step 6: Final answer
   x = 1,733.97