Finding the Fourth Proportional to 1,555.52, 2,327.52 and 906.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555.52 : 2,327.52 = 906.56 : x
2. Step 2: Convert to fraction form
   1,555.52/2,327.52 = 906.56/x
3. Step 3: Cross multiply
   1,555.52x = 2,327.52 × 906.56
4. Step 4: Simplify right side
   1,555.52x = 2,110,036.53
5. Step 5: Solve for x
   x = 2,110,036.53/1,555.52
6. Step 6: Final answer
   x = 1,356.48