Finding the Fourth Proportional to 8,618.34, 12,923.25 and 5,061.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,618.34 : 12,923.25 = 5,061.35 : x
2. Step 2: Convert to fraction form
   8,618.34/12,923.25 = 5,061.35/x
3. Step 3: Cross multiply
   8,618.34x = 12,923.25 × 5,061.35
4. Step 4: Simplify right side
   8,618.34x = 65,409,032.02
5. Step 5: Solve for x
   x = 65,409,032.02/8,618.34
6. Step 6: Final answer
   x = 7,589.52