Finding the Fourth Proportional to 8,761.94, 12,092.52 and 4,985.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,761.94 : 12,092.52 = 4,985.72 : x
2. Step 2: Convert to fraction form
   8,761.94/12,092.52 = 4,985.72/x
3. Step 3: Cross multiply
   8,761.94x = 12,092.52 × 4,985.72
4. Step 4: Simplify right side
   8,761.94x = 60,289,918.81
5. Step 5: Solve for x
   x = 60,289,918.81/8,761.94
6. Step 6: Final answer
   x = 6,880.89