Finding the Fourth Proportional to 8,175.89, 12,266.10 and 2,912.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,175.89 : 12,266.10 = 2,912.10 : x
2. Step 2: Convert to fraction form
   8,175.89/12,266.10 = 2,912.10/x
3. Step 3: Cross multiply
   8,175.89x = 12,266.10 × 2,912.10
4. Step 4: Simplify right side
   8,175.89x = 35,720,109.81
5. Step 5: Solve for x
   x = 35,720,109.81/8,175.89
6. Step 6: Final answer
   x = 4,368.96