Finding the Fourth Proportional to 1,036.72, 1,430.58 and 594.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.72 : 1,430.58 = 594.55 : x
2. Step 2: Convert to fraction form
   1,036.72/1,430.58 = 594.55/x
3. Step 3: Cross multiply
   1,036.72x = 1,430.58 × 594.55
4. Step 4: Simplify right side
   1,036.72x = 850,551.34
5. Step 5: Solve for x
   x = 850,551.34/1,036.72
6. Step 6: Final answer
   x = 820.43