Finding the Fourth Proportional to 8,933.89, 12,329.67 and 4,955.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,933.89 : 12,329.67 = 4,955.78 : x
2. Step 2: Convert to fraction form
   8,933.89/12,329.67 = 4,955.78/x
3. Step 3: Cross multiply
   8,933.89x = 12,329.67 × 4,955.78
4. Step 4: Simplify right side
   8,933.89x = 61,103,045.57
5. Step 5: Solve for x
   x = 61,103,045.57/8,933.89
6. Step 6: Final answer
   x = 6,839.47