Finding the Fourth Proportional to 4,078.18, 6,117.50 and 1,156.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,078.18 : 6,117.50 = 1,156.25 : x
2. Step 2: Convert to fraction form
   4,078.18/6,117.50 = 1,156.25/x
3. Step 3: Cross multiply
   4,078.18x = 6,117.50 × 1,156.25
4. Step 4: Simplify right side
   4,078.18x = 7,073,353.59
5. Step 5: Solve for x
   x = 7,073,353.59/4,078.18
6. Step 6: Final answer
   x = 1,734.44