Finding the Fourth Proportional to 1,124.34, 1,685.52 and 604.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.34 : 1,685.52 = 604.05 : x
2. Step 2: Convert to fraction form
   1,124.34/1,685.52 = 604.05/x
3. Step 3: Cross multiply
   1,124.34x = 1,685.52 × 604.05
4. Step 4: Simplify right side
   1,124.34x = 1,018,138.36
5. Step 5: Solve for x
   x = 1,018,138.36/1,124.34
6. Step 6: Final answer
   x = 905.54