Finding the Fourth Proportional to 9,243.18, 12,758.04 and 5,705.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.18 : 12,758.04 = 5,705.10 : x
2. Step 2: Convert to fraction form
   9,243.18/12,758.04 = 5,705.10/x
3. Step 3: Cross multiply
   9,243.18x = 12,758.04 × 5,705.10
4. Step 4: Simplify right side
   9,243.18x = 72,785,894.00
5. Step 5: Solve for x
   x = 72,785,894.00/9,243.18
6. Step 6: Final answer
   x = 7,874.55