Finding the Fourth Proportional to 9,016.58, 12,443.60 and 5,240.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.58 : 12,443.60 = 5,240.93 : x
2. Step 2: Convert to fraction form
   9,016.58/12,443.60 = 5,240.93/x
3. Step 3: Cross multiply
   9,016.58x = 12,443.60 × 5,240.93
4. Step 4: Simplify right side
   9,016.58x = 65,215,987.43
5. Step 5: Solve for x
   x = 65,215,987.43/9,016.58
6. Step 6: Final answer
   x = 7,232.89