Finding the Fourth Proportional to 10,436.56, 14,402.36 and 5,720.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.56 : 14,402.36 = 5,720.84 : x
2. Step 2: Convert to fraction form
   10,436.56/14,402.36 = 5,720.84/x
3. Step 3: Cross multiply
   10,436.56x = 14,402.36 × 5,720.84
4. Step 4: Simplify right side
   10,436.56x = 82,393,597.18
5. Step 5: Solve for x
   x = 82,393,597.18/10,436.56
6. Step 6: Final answer
   x = 7,894.71