Finding the Fourth Proportional to 8,933.79, 12,328.61 and 4,955.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,933.79 : 12,328.61 = 4,955.50 : x
2. Step 2: Convert to fraction form
   8,933.79/12,328.61 = 4,955.50/x
3. Step 3: Cross multiply
   8,933.79x = 12,328.61 × 4,955.50
4. Step 4: Simplify right side
   8,933.79x = 61,094,426.86
5. Step 5: Solve for x
   x = 61,094,426.86/8,933.79
6. Step 6: Final answer
   x = 6,838.58