Finding the Fourth Proportional to 13,238.46, 18,268.56 and 7,270.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,238.46 : 18,268.56 = 7,270.02 : x
2. Step 2: Convert to fraction form
   13,238.46/18,268.56 = 7,270.02/x
3. Step 3: Cross multiply
   13,238.46x = 18,268.56 × 7,270.02
4. Step 4: Simplify right side
   13,238.46x = 132,812,796.57
5. Step 5: Solve for x
   x = 132,812,796.57/13,238.46
6. Step 6: Final answer
   x = 10,032.34