Finding the Fourth Proportional to 10,436.07, 14,401.77 and 5,720.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.07 : 14,401.77 = 5,720.25 : x
2. Step 2: Convert to fraction form
   10,436.07/14,401.77 = 5,720.25/x
3. Step 3: Cross multiply
   10,436.07x = 14,401.77 × 5,720.25
4. Step 4: Simplify right side
   10,436.07x = 82,381,652.83
5. Step 5: Solve for x
   x = 82,381,652.83/10,436.07
6. Step 6: Final answer
   x = 7,893.94