Finding the Fourth Proportional to 8,758.15, 12,086.51 and 4,981.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,758.15 : 12,086.51 = 4,981.86 : x
2. Step 2: Convert to fraction form
   8,758.15/12,086.51 = 4,981.86/x
3. Step 3: Cross multiply
   8,758.15x = 12,086.51 × 4,981.86
4. Step 4: Simplify right side
   8,758.15x = 60,213,303.82
5. Step 5: Solve for x
   x = 60,213,303.82/8,758.15
6. Step 6: Final answer
   x = 6,875.12