Finding the Fourth Proportional to 8,146.17, 12,216.42 and 2,301.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,146.17 : 12,216.42 = 2,301.21 : x
2. Step 2: Convert to fraction form
   8,146.17/12,216.42 = 2,301.21/x
3. Step 3: Cross multiply
   8,146.17x = 12,216.42 × 2,301.21
4. Step 4: Simplify right side
   8,146.17x = 28,112,547.87
5. Step 5: Solve for x
   x = 28,112,547.87/8,146.17
6. Step 6: Final answer
   x = 3,451.01