Finding the Fourth Proportional to 8,323.61, 12,484.28 and 2,776.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323.61 : 12,484.28 = 2,776.83 : x
2. Step 2: Convert to fraction form
   8,323.61/12,484.28 = 2,776.83/x
3. Step 3: Cross multiply
   8,323.61x = 12,484.28 × 2,776.83
4. Step 4: Simplify right side
   8,323.61x = 34,666,737.96
5. Step 5: Solve for x
   x = 34,666,737.96/8,323.61
6. Step 6: Final answer
   x = 4,164.87