Finding the Fourth Proportional to 1,337.91, 1,845.20 and 1,022.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.91 : 1,845.20 = 1,022.59 : x
2. Step 2: Convert to fraction form
   1,337.91/1,845.20 = 1,022.59/x
3. Step 3: Cross multiply
   1,337.91x = 1,845.20 × 1,022.59
4. Step 4: Simplify right side
   1,337.91x = 1,886,884.99
5. Step 5: Solve for x
   x = 1,886,884.99/1,337.91
6. Step 6: Final answer
   x = 1,410.32