Finding the Fourth Proportional to 9,713.99, 13,405.25 and 5,522.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,713.99 : 13,405.25 = 5,522.24 : x
2. Step 2: Convert to fraction form
   9,713.99/13,405.25 = 5,522.24/x
3. Step 3: Cross multiply
   9,713.99x = 13,405.25 × 5,522.24
4. Step 4: Simplify right side
   9,713.99x = 74,026,980.15
5. Step 5: Solve for x
   x = 74,026,980.15/9,713.99
6. Step 6: Final answer
   x = 7,620.66