Finding the Fourth Proportional to 10,926.41, 16,402.62 and 10,480.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,926.41 : 16,402.62 = 10,480.82 : x
2. Step 2: Convert to fraction form
   10,926.41/16,402.62 = 10,480.82/x
3. Step 3: Cross multiply
   10,926.41x = 16,402.62 × 10,480.82
4. Step 4: Simplify right side
   10,926.41x = 171,912,907.75
5. Step 5: Solve for x
   x = 171,912,907.75/10,926.41
6. Step 6: Final answer
   x = 15,733.70