Finding the Fourth Proportional to 1,043.83, 1,440.54 and 601.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.83 : 1,440.54 = 601.78 : x
2. Step 2: Convert to fraction form
   1,043.83/1,440.54 = 601.78/x
3. Step 3: Cross multiply
   1,043.83x = 1,440.54 × 601.78
4. Step 4: Simplify right side
   1,043.83x = 866,888.16
5. Step 5: Solve for x
   x = 866,888.16/1,043.83
6. Step 6: Final answer
   x = 830.49