Finding the Fourth Proportional to 8,854.67, 12,219.89 and 4,875.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,854.67 : 12,219.89 = 4,875.74 : x
2. Step 2: Convert to fraction form
   8,854.67/12,219.89 = 4,875.74/x
3. Step 3: Cross multiply
   8,854.67x = 12,219.89 × 4,875.74
4. Step 4: Simplify right side
   8,854.67x = 59,581,006.47
5. Step 5: Solve for x
   x = 59,581,006.47/8,854.67
6. Step 6: Final answer
   x = 6,728.77