Finding the Fourth Proportional to 2,293.31, 3,437.59 and 906.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.31 : 3,437.59 = 906.09 : x
2. Step 2: Convert to fraction form
   2,293.31/3,437.59 = 906.09/x
3. Step 3: Cross multiply
   2,293.31x = 3,437.59 × 906.09
4. Step 4: Simplify right side
   2,293.31x = 3,114,752.47
5. Step 5: Solve for x
   x = 3,114,752.47/2,293.31
6. Step 6: Final answer
   x = 1,358.19