Finding the Fourth Proportional to 4,076.88, 6,114.42 and 1,155.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,076.88 : 6,114.42 = 1,155.12 : x
2. Step 2: Convert to fraction form
   4,076.88/6,114.42 = 1,155.12/x
3. Step 3: Cross multiply
   4,076.88x = 6,114.42 × 1,155.12
4. Step 4: Simplify right side
   4,076.88x = 7,062,888.83
5. Step 5: Solve for x
   x = 7,062,888.83/4,076.88
6. Step 6: Final answer
   x = 1,732.42