Finding the Fourth Proportional to 3,105.98, 4,656.18 and 1,156.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.98 : 4,656.18 = 1,156.86 : x
2. Step 2: Convert to fraction form
   3,105.98/4,656.18 = 1,156.86/x
3. Step 3: Cross multiply
   3,105.98x = 4,656.18 × 1,156.86
4. Step 4: Simplify right side
   3,105.98x = 5,386,548.39
5. Step 5: Solve for x
   x = 5,386,548.39/3,105.98
6. Step 6: Final answer
   x = 1,734.25