Finding the Fourth Proportional to 10,972.32, 16,426.17 and 6,798.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,972.32 : 16,426.17 = 6,798.91 : x
2. Step 2: Convert to fraction form
   10,972.32/16,426.17 = 6,798.91/x
3. Step 3: Cross multiply
   10,972.32x = 16,426.17 × 6,798.91
4. Step 4: Simplify right side
   10,972.32x = 111,680,010.41
5. Step 5: Solve for x
   x = 111,680,010.41/10,972.32
6. Step 6: Final answer
   x = 10,178.34