Finding the Fourth Proportional to 9,615.30, 13,268.31 and 5,365.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,615.30 : 13,268.31 = 5,365.98 : x
2. Step 2: Convert to fraction form
   9,615.30/13,268.31 = 5,365.98/x
3. Step 3: Cross multiply
   9,615.30x = 13,268.31 × 5,365.98
4. Step 4: Simplify right side
   9,615.30x = 71,197,486.09
5. Step 5: Solve for x
   x = 71,197,486.09/9,615.30
6. Step 6: Final answer
   x = 7,404.60