Finding the Fourth Proportional to 1,291.60, 1,934.83 and 597.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291.60 : 1,934.83 = 597.30 : x
2. Step 2: Convert to fraction form
   1,291.60/1,934.83 = 597.30/x
3. Step 3: Cross multiply
   1,291.60x = 1,934.83 × 597.30
4. Step 4: Simplify right side
   1,291.60x = 1,155,673.96
5. Step 5: Solve for x
   x = 1,155,673.96/1,291.60
6. Step 6: Final answer
   x = 894.76