Finding the Fourth Proportional to 1,101.63, 1,520.24 and 604.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.63 : 1,520.24 = 604.29 : x
2. Step 2: Convert to fraction form
   1,101.63/1,520.24 = 604.29/x
3. Step 3: Cross multiply
   1,101.63x = 1,520.24 × 604.29
4. Step 4: Simplify right side
   1,101.63x = 918,665.83
5. Step 5: Solve for x
   x = 918,665.83/1,101.63
6. Step 6: Final answer
   x = 833.92