Finding the Fourth Proportional to 1,068.42, 1,602.72 and 337.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.42 : 1,602.72 = 337.80 : x
2. Step 2: Convert to fraction form
   1,068.42/1,602.72 = 337.80/x
3. Step 3: Cross multiply
   1,068.42x = 1,602.72 × 337.80
4. Step 4: Simplify right side
   1,068.42x = 541,398.82
5. Step 5: Solve for x
   x = 541,398.82/1,068.42
6. Step 6: Final answer
   x = 506.73