Finding the Fourth Proportional to 10,965.17, 16,454.80 and 10,876.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,965.17 : 16,454.80 = 10,876.00 : x
2. Step 2: Convert to fraction form
   10,965.17/16,454.80 = 10,876.00/x
3. Step 3: Cross multiply
   10,965.17x = 16,454.80 × 10,876.00
4. Step 4: Simplify right side
   10,965.17x = 178,962,300.65
5. Step 5: Solve for x
   x = 178,962,300.65/10,965.17
6. Step 6: Final answer
   x = 16,320.97