Finding the Fourth Proportional to 7,615.40, 11,404.65 and 5,268.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,615.40 : 11,404.65 = 5,268.83 : x
2. Step 2: Convert to fraction form
   7,615.40/11,404.65 = 5,268.83/x
3. Step 3: Cross multiply
   7,615.40x = 11,404.65 × 5,268.83
4. Step 4: Simplify right side
   7,615.40x = 60,089,105.04
5. Step 5: Solve for x
   x = 60,089,105.04/7,615.40
6. Step 6: Final answer
   x = 7,890.48