Finding the Fourth Proportional to 8,976.30, 12,387.15 and 4,997.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,976.30 : 12,387.15 = 4,997.82 : x
2. Step 2: Convert to fraction form
   8,976.30/12,387.15 = 4,997.82/x
3. Step 3: Cross multiply
   8,976.30x = 12,387.15 × 4,997.82
4. Step 4: Simplify right side
   8,976.30x = 61,908,746.01
5. Step 5: Solve for x
   x = 61,908,746.01/8,976.30
6. Step 6: Final answer
   x = 6,896.91