Finding the Fourth Proportional to 8,976.78, 12,386.52 and 4,996.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,976.78 : 12,386.52 = 4,996.98 : x
2. Step 2: Convert to fraction form
   8,976.78/12,386.52 = 4,996.98/x
3. Step 3: Cross multiply
   8,976.78x = 12,386.52 × 4,996.98
4. Step 4: Simplify right side
   8,976.78x = 61,895,192.71
5. Step 5: Solve for x
   x = 61,895,192.71/8,976.78
6. Step 6: Final answer
   x = 6,895.03