Finding the Fourth Proportional to 1,523.31, 2,285.33 and 906.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,523.31 : 2,285.33 = 906.32 : x
2. Step 2: Convert to fraction form
   1,523.31/2,285.33 = 906.32/x
3. Step 3: Cross multiply
   1,523.31x = 2,285.33 × 906.32
4. Step 4: Simplify right side
   1,523.31x = 2,071,224.33
5. Step 5: Solve for x
   x = 2,071,224.33/1,523.31
6. Step 6: Final answer
   x = 1,359.69