Finding the Fourth Proportional to 9,922.29, 13,693.01 and 5,615.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,922.29 : 13,693.01 = 5,615.03 : x
2. Step 2: Convert to fraction form
   9,922.29/13,693.01 = 5,615.03/x
3. Step 3: Cross multiply
   9,922.29x = 13,693.01 × 5,615.03
4. Step 4: Simplify right side
   9,922.29x = 76,886,661.94
5. Step 5: Solve for x
   x = 76,886,661.94/9,922.29
6. Step 6: Final answer
   x = 7,748.88