Finding the Fourth Proportional to 9,861.46, 13,610.01 and 5,613.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,861.46 : 13,610.01 = 5,613.56 : x
2. Step 2: Convert to fraction form
   9,861.46/13,610.01 = 5,613.56/x
3. Step 3: Cross multiply
   9,861.46x = 13,610.01 × 5,613.56
4. Step 4: Simplify right side
   9,861.46x = 76,400,607.74
5. Step 5: Solve for x
   x = 76,400,607.74/9,861.46
6. Step 6: Final answer
   x = 7,747.39