Finding the Fourth Proportional to 8,934.71, 12,329.72 and 4,955.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,934.71 : 12,329.72 = 4,955.78 : x
2. Step 2: Convert to fraction form
   8,934.71/12,329.72 = 4,955.78/x
3. Step 3: Cross multiply
   8,934.71x = 12,329.72 × 4,955.78
4. Step 4: Simplify right side
   8,934.71x = 61,103,404.41
5. Step 5: Solve for x
   x = 61,103,404.41/8,934.71
6. Step 6: Final answer
   x = 6,838.88