Finding the Fourth Proportional to 8,858.72, 12,225.84 and 5,132

Step by Step Solution

1. Step 1: Write the proportion equation
   8,858.72 : 12,225.84 = 5,132 : x
2. Step 2: Convert to fraction form
   8,858.72/12,225.84 = 5,132/x
3. Step 3: Cross multiply
   8,858.72x = 12,225.84 × 5,132
4. Step 4: Simplify right side
   8,858.72x = 62,743,010.88
5. Step 5: Solve for x
   x = 62,743,010.88/8,858.72
6. Step 6: Final answer
   x = 7,082.63