Finding the Fourth Proportional to 9,613.61, 13,266.86 and 5,364.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,613.61 : 13,266.86 = 5,364.96 : x
2. Step 2: Convert to fraction form
   9,613.61/13,266.86 = 5,364.96/x
3. Step 3: Cross multiply
   9,613.61x = 13,266.86 × 5,364.96
4. Step 4: Simplify right side
   9,613.61x = 71,176,146.40
5. Step 5: Solve for x
   x = 71,176,146.40/9,613.61
6. Step 6: Final answer
   x = 7,403.69