Finding the Fourth Proportional to 9,615.18, 13,267.82 and 5,581.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,615.18 : 13,267.82 = 5,581.07 : x
2. Step 2: Convert to fraction form
   9,615.18/13,267.82 = 5,581.07/x
3. Step 3: Cross multiply
   9,615.18x = 13,267.82 × 5,581.07
4. Step 4: Simplify right side
   9,615.18x = 74,048,654.02
5. Step 5: Solve for x
   x = 74,048,654.02/9,615.18
6. Step 6: Final answer
   x = 7,701.23