Finding the Fourth Proportional to 10,813.19, 16,196.29 and 5,254.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,813.19 : 16,196.29 = 5,254.83 : x
2. Step 2: Convert to fraction form
   10,813.19/16,196.29 = 5,254.83/x
3. Step 3: Cross multiply
   10,813.19x = 16,196.29 × 5,254.83
4. Step 4: Simplify right side
   10,813.19x = 85,108,737.44
5. Step 5: Solve for x
   x = 85,108,737.44/10,813.19
6. Step 6: Final answer
   x = 7,870.83