Finding the Fourth Proportional to 10,872.38, 16,307.18 and 3,476.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.38 : 16,307.18 = 3,476.22 : x
2. Step 2: Convert to fraction form
   10,872.38/16,307.18 = 3,476.22/x
3. Step 3: Cross multiply
   10,872.38x = 16,307.18 × 3,476.22
4. Step 4: Simplify right side
   10,872.38x = 56,687,345.26
5. Step 5: Solve for x
   x = 56,687,345.26/10,872.38
6. Step 6: Final answer
   x = 5,213.89