Finding the Fourth Proportional to 13,015.68, 17,962.56 and 7,427.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,015.68 : 17,962.56 = 7,427.52 : x
2. Step 2: Convert to fraction form
   13,015.68/17,962.56 = 7,427.52/x
3. Step 3: Cross multiply
   13,015.68x = 17,962.56 × 7,427.52
4. Step 4: Simplify right side
   13,015.68x = 133,417,273.65
5. Step 5: Solve for x
   x = 133,417,273.65/13,015.68
6. Step 6: Final answer
   x = 10,250.50