Finding the Fourth Proportional to 1,036.61, 1,430.55 and 594.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.61 : 1,430.55 = 594.59 : x
2. Step 2: Convert to fraction form
   1,036.61/1,430.55 = 594.59/x
3. Step 3: Cross multiply
   1,036.61x = 1,430.55 × 594.59
4. Step 4: Simplify right side
   1,036.61x = 850,580.60
5. Step 5: Solve for x
   x = 850,580.60/1,036.61
6. Step 6: Final answer
   x = 820.54