Finding the Fourth Proportional to 12,250.61, 18,352.73 and 7,238.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,250.61 : 18,352.73 = 7,238.00 : x
2. Step 2: Convert to fraction form
   12,250.61/18,352.73 = 7,238.00/x
3. Step 3: Cross multiply
   12,250.61x = 18,352.73 × 7,238.00
4. Step 4: Simplify right side
   12,250.61x = 132,836,986.07
5. Step 5: Solve for x
   x = 132,836,986.07/12,250.61
6. Step 6: Final answer
   x = 10,843.29