Finding the Fourth Proportional to 8,989.06, 12,404.78 and 5,010.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,989.06 : 12,404.78 = 5,010.16 : x
2. Step 2: Convert to fraction form
   8,989.06/12,404.78 = 5,010.16/x
3. Step 3: Cross multiply
   8,989.06x = 12,404.78 × 5,010.16
4. Step 4: Simplify right side
   8,989.06x = 62,149,876.50
5. Step 5: Solve for x
   x = 62,149,876.50/8,989.06
6. Step 6: Final answer
   x = 6,913.95