Finding the Fourth Proportional to 2,275.18, 3,410.64 and 2,072.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.18 : 3,410.64 = 2,072.29 : x
2. Step 2: Convert to fraction form
   2,275.18/3,410.64 = 2,072.29/x
3. Step 3: Cross multiply
   2,275.18x = 3,410.64 × 2,072.29
4. Step 4: Simplify right side
   2,275.18x = 7,067,835.17
5. Step 5: Solve for x
   x = 7,067,835.17/2,275.18
6. Step 6: Final answer
   x = 3,106.49