Finding the Fourth Proportional to 8,744.52, 12,061.44 and 5,205

Step by Step Solution

1. Step 1: Write the proportion equation
   8,744.52 : 12,061.44 = 5,205 : x
2. Step 2: Convert to fraction form
   8,744.52/12,061.44 = 5,205/x
3. Step 3: Cross multiply
   8,744.52x = 12,061.44 × 5,205
4. Step 4: Simplify right side
   8,744.52x = 62,779,795.20
5. Step 5: Solve for x
   x = 62,779,795.20/8,744.52
6. Step 6: Final answer
   x = 7,179.33