Finding the Fourth Proportional to 9,613.95, 13,267.56 and 5,580.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,613.95 : 13,267.56 = 5,580.46 : x
2. Step 2: Convert to fraction form
   9,613.95/13,267.56 = 5,580.46/x
3. Step 3: Cross multiply
   9,613.95x = 13,267.56 × 5,580.46
4. Step 4: Simplify right side
   9,613.95x = 74,039,087.88
5. Step 5: Solve for x
   x = 74,039,087.88/9,613.95
6. Step 6: Final answer
   x = 7,701.22