Finding the Fourth Proportional to 10,436.83, 14,402.73 and 5,721.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.83 : 14,402.73 = 5,721.10 : x
2. Step 2: Convert to fraction form
   10,436.83/14,402.73 = 5,721.10/x
3. Step 3: Cross multiply
   10,436.83x = 14,402.73 × 5,721.10
4. Step 4: Simplify right side
   10,436.83x = 82,399,458.60
5. Step 5: Solve for x
   x = 82,399,458.60/10,436.83
6. Step 6: Final answer
   x = 7,895.07