Finding the Fourth Proportional to 10,876.38, 16,312.61 and 4,951.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,876.38 : 16,312.61 = 4,951.89 : x
2. Step 2: Convert to fraction form
   10,876.38/16,312.61 = 4,951.89/x
3. Step 3: Cross multiply
   10,876.38x = 16,312.61 × 4,951.89
4. Step 4: Simplify right side
   10,876.38x = 80,778,225.57
5. Step 5: Solve for x
   x = 80,778,225.57/10,876.38
6. Step 6: Final answer
   x = 7,426.94