Finding the Fourth Proportional to 9,258.18, 12,773.12 and 5,276.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,258.18 : 12,773.12 = 5,276.42 : x
2. Step 2: Convert to fraction form
   9,258.18/12,773.12 = 5,276.42/x
3. Step 3: Cross multiply
   9,258.18x = 12,773.12 × 5,276.42
4. Step 4: Simplify right side
   9,258.18x = 67,396,255.58
5. Step 5: Solve for x
   x = 67,396,255.58/9,258.18
6. Step 6: Final answer
   x = 7,279.64