Finding the Fourth Proportional to 1,591.83, 2,387.61 and 946.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.83 : 2,387.61 = 946.62 : x
2. Step 2: Convert to fraction form
   1,591.83/2,387.61 = 946.62/x
3. Step 3: Cross multiply
   1,591.83x = 2,387.61 × 946.62
4. Step 4: Simplify right side
   1,591.83x = 2,260,159.38
5. Step 5: Solve for x
   x = 2,260,159.38/1,591.83
6. Step 6: Final answer
   x = 1,419.85