Finding the Fourth Proportional to 1,591.74, 2,196.61 and 929.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.74 : 2,196.61 = 929.05 : x
2. Step 2: Convert to fraction form
   1,591.74/2,196.61 = 929.05/x
3. Step 3: Cross multiply
   1,591.74x = 2,196.61 × 929.05
4. Step 4: Simplify right side
   1,591.74x = 2,040,760.52
5. Step 5: Solve for x
   x = 2,040,760.52/1,591.74
6. Step 6: Final answer
   x = 1,282.09