Finding the Fourth Proportional to 8,753.30, 12,079.86 and 4,976.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,753.30 : 12,079.86 = 4,976.63 : x
2. Step 2: Convert to fraction form
   8,753.30/12,079.86 = 4,976.63/x
3. Step 3: Cross multiply
   8,753.30x = 12,079.86 × 4,976.63
4. Step 4: Simplify right side
   8,753.30x = 60,116,933.27
5. Step 5: Solve for x
   x = 60,116,933.27/8,753.30
6. Step 6: Final answer
   x = 6,867.92