Finding the Fourth Proportional to 3,101.51, 4,254.77 and 3,007.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,101.51 : 4,254.77 = 3,007.86 : x
2. Step 2: Convert to fraction form
   3,101.51/4,254.77 = 3,007.86/x
3. Step 3: Cross multiply
   3,101.51x = 4,254.77 × 3,007.86
4. Step 4: Simplify right side
   3,101.51x = 12,797,737.45
5. Step 5: Solve for x
   x = 12,797,737.45/3,101.51
6. Step 6: Final answer
   x = 4,126.30