Finding the Fourth Proportional to 8,933.40, 12,328.72 and 4,954.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,933.40 : 12,328.72 = 4,954.89 : x
2. Step 2: Convert to fraction form
   8,933.40/12,328.72 = 4,954.89/x
3. Step 3: Cross multiply
   8,933.40x = 12,328.72 × 4,954.89
4. Step 4: Simplify right side
   8,933.40x = 61,087,392.82
5. Step 5: Solve for x
   x = 61,087,392.82/8,933.40
6. Step 6: Final answer
   x = 6,838.09