Finding the Fourth Proportional to 9,238.73, 12,751.00 and 5,259.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238.73 : 12,751.00 = 5,259.29 : x
2. Step 2: Convert to fraction form
   9,238.73/12,751.00 = 5,259.29/x
3. Step 3: Cross multiply
   9,238.73x = 12,751.00 × 5,259.29
4. Step 4: Simplify right side
   9,238.73x = 67,061,129.89
5. Step 5: Solve for x
   x = 67,061,129.89/9,238.73
6. Step 6: Final answer
   x = 7,258.70