Finding the Fourth Proportional to 1,036.72, 1,551.90 and 602.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.72 : 1,551.90 = 602.56 : x
2. Step 2: Convert to fraction form
   1,036.72/1,551.90 = 602.56/x
3. Step 3: Cross multiply
   1,036.72x = 1,551.90 × 602.56
4. Step 4: Simplify right side
   1,036.72x = 935,112.86
5. Step 5: Solve for x
   x = 935,112.86/1,036.72
6. Step 6: Final answer
   x = 901.99