Finding the Fourth Proportional to 8,754.08, 12,081.66 and 4,978.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,754.08 : 12,081.66 = 4,978.41 : x
2. Step 2: Convert to fraction form
   8,754.08/12,081.66 = 4,978.41/x
3. Step 3: Cross multiply
   8,754.08x = 12,081.66 × 4,978.41
4. Step 4: Simplify right side
   8,754.08x = 60,147,460.94
5. Step 5: Solve for x
   x = 60,147,460.94/8,754.08
6. Step 6: Final answer
   x = 6,870.80