Finding the Fourth Proportional to 10,876.72, 16,302.30 and 5,020.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,876.72 : 16,302.30 = 5,020.96 : x
2. Step 2: Convert to fraction form
   10,876.72/16,302.30 = 5,020.96/x
3. Step 3: Cross multiply
   10,876.72x = 16,302.30 × 5,020.96
4. Step 4: Simplify right side
   10,876.72x = 81,853,196.21
5. Step 5: Solve for x
   x = 81,853,196.21/10,876.72
6. Step 6: Final answer
   x = 7,525.54