Finding the Fourth Proportional to 9,856.30, 13,606.72 and 7,613.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,856.30 : 13,606.72 = 7,613.14 : x
2. Step 2: Convert to fraction form
   9,856.30/13,606.72 = 7,613.14/x
3. Step 3: Cross multiply
   9,856.30x = 13,606.72 × 7,613.14
4. Step 4: Simplify right side
   9,856.30x = 103,589,864.30
5. Step 5: Solve for x
   x = 103,589,864.30/9,856.30
6. Step 6: Final answer
   x = 10,510.02