Finding the Fourth Proportional to 10,879.74, 15,016.20 and 7,103.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,879.74 : 15,016.20 = 7,103.52 : x
2. Step 2: Convert to fraction form
   10,879.74/15,016.20 = 7,103.52/x
3. Step 3: Cross multiply
   10,879.74x = 15,016.20 × 7,103.52
4. Step 4: Simplify right side
   10,879.74x = 106,667,877.02
5. Step 5: Solve for x
   x = 106,667,877.02/10,879.74
6. Step 6: Final answer
   x = 9,804.27