Finding the Fourth Proportional to 9,238.25, 12,748.08 and 5,258.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238.25 : 12,748.08 = 5,258.82 : x
2. Step 2: Convert to fraction form
   9,238.25/12,748.08 = 5,258.82/x
3. Step 3: Cross multiply
   9,238.25x = 12,748.08 × 5,258.82
4. Step 4: Simplify right side
   9,238.25x = 67,039,925.59
5. Step 5: Solve for x
   x = 67,039,925.59/9,238.25
6. Step 6: Final answer
   x = 7,256.78