Finding the Fourth Proportional to 2,310.72, 3,466.01 and 1,012.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310.72 : 3,466.01 = 1,012.20 : x
2. Step 2: Convert to fraction form
   2,310.72/3,466.01 = 1,012.20/x
3. Step 3: Cross multiply
   2,310.72x = 3,466.01 × 1,012.20
4. Step 4: Simplify right side
   2,310.72x = 3,508,295.32
5. Step 5: Solve for x
   x = 3,508,295.32/2,310.72
6. Step 6: Final answer
   x = 1,518.27