Finding the Fourth Proportional to 3,111.86, 4,294.35 and 1,714.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.86 : 4,294.35 = 1,714.61 : x
2. Step 2: Convert to fraction form
   3,111.86/4,294.35 = 1,714.61/x
3. Step 3: Cross multiply
   3,111.86x = 4,294.35 × 1,714.61
4. Step 4: Simplify right side
   3,111.86x = 7,363,135.45
5. Step 5: Solve for x
   x = 7,363,135.45/3,111.86
6. Step 6: Final answer
   x = 2,366.15