Finding the Fourth Proportional to 9,151.10, 12,846.10 and 9,151.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,151.10 : 12,846.10 = 9,151.10 : x
2. Step 2: Convert to fraction form
   9,151.10/12,846.10 = 9,151.10/x
3. Step 3: Cross multiply
   9,151.10x = 12,846.10 × 9,151.10
4. Step 4: Simplify right side
   9,151.10x = 117,555,945.71
5. Step 5: Solve for x
   x = 117,555,945.71/9,151.10
6. Step 6: Final answer
   x = 12,846.10