Finding the Fourth Proportional to 9,561.06, 13,206.72 and 7,350.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.06 : 13,206.72 = 7,350.12 : x
2. Step 2: Convert to fraction form
   9,561.06/13,206.72 = 7,350.12/x
3. Step 3: Cross multiply
   9,561.06x = 13,206.72 × 7,350.12
4. Step 4: Simplify right side
   9,561.06x = 97,070,976.81
5. Step 5: Solve for x
   x = 97,070,976.81/9,561.06
6. Step 6: Final answer
   x = 10,152.74