Finding the Fourth Proportional to 8,776.26, 12,111.96 and 5,000.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776.26 : 12,111.96 = 5,000.61 : x
2. Step 2: Convert to fraction form
   8,776.26/12,111.96 = 5,000.61/x
3. Step 3: Cross multiply
   8,776.26x = 12,111.96 × 5,000.61
4. Step 4: Simplify right side
   8,776.26x = 60,567,188.30
5. Step 5: Solve for x
   x = 60,567,188.30/8,776.26
6. Step 6: Final answer
   x = 6,901.25