Finding the Fourth Proportional to 10,436.22, 14,402.64 and 5,720.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.22 : 14,402.64 = 5,720.50 : x
2. Step 2: Convert to fraction form
   10,436.22/14,402.64 = 5,720.50/x
3. Step 3: Cross multiply
   10,436.22x = 14,402.64 × 5,720.50
4. Step 4: Simplify right side
   10,436.22x = 82,390,302.12
5. Step 5: Solve for x
   x = 82,390,302.12/10,436.22
6. Step 6: Final answer
   x = 7,894.65