Finding the Fourth Proportional to 1,471.42, 2,205.91 and 604.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.42 : 2,205.91 = 604.72 : x
2. Step 2: Convert to fraction form
   1,471.42/2,205.91 = 604.72/x
3. Step 3: Cross multiply
   1,471.42x = 2,205.91 × 604.72
4. Step 4: Simplify right side
   1,471.42x = 1,333,957.90
5. Step 5: Solve for x
   x = 1,333,957.90/1,471.42
6. Step 6: Final answer
   x = 906.58