Finding the Fourth Proportional to 9,062.30, 12,661.30 and 9,062.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,062.30 : 12,661.30 = 9,062.30 : x
2. Step 2: Convert to fraction form
   9,062.30/12,661.30 = 9,062.30/x
3. Step 3: Cross multiply
   9,062.30x = 12,661.30 × 9,062.30
4. Step 4: Simplify right side
   9,062.30x = 114,740,498.99
5. Step 5: Solve for x
   x = 114,740,498.99/9,062.30
6. Step 6: Final answer
   x = 12,661.30