Finding the Fourth Proportional to 1,043.55, 1,440.15 and 601.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.55 : 1,440.15 = 601.47 : x
2. Step 2: Convert to fraction form
   1,043.55/1,440.15 = 601.47/x
3. Step 3: Cross multiply
   1,043.55x = 1,440.15 × 601.47
4. Step 4: Simplify right side
   1,043.55x = 866,207.02
5. Step 5: Solve for x
   x = 866,207.02/1,043.55
6. Step 6: Final answer
   x = 830.06