Finding the Fourth Proportional to 13,242.10, 18,273.01 and 7,273.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,242.10 : 18,273.01 = 7,273.46 : x
2. Step 2: Convert to fraction form
   13,242.10/18,273.01 = 7,273.46/x
3. Step 3: Cross multiply
   13,242.10x = 18,273.01 × 7,273.46
4. Step 4: Simplify right side
   13,242.10x = 132,908,007.31
5. Step 5: Solve for x
   x = 132,908,007.31/13,242.10
6. Step 6: Final answer
   x = 10,036.78