Finding the Fourth Proportional to 8,754.27, 12,081.92 and 4,978.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,754.27 : 12,081.92 = 4,978.01 : x
2. Step 2: Convert to fraction form
   8,754.27/12,081.92 = 4,978.01/x
3. Step 3: Cross multiply
   8,754.27x = 12,081.92 × 4,978.01
4. Step 4: Simplify right side
   8,754.27x = 60,143,918.58
5. Step 5: Solve for x
   x = 60,143,918.58/8,754.27
6. Step 6: Final answer
   x = 6,870.24