Finding the Fourth Proportional to 1,068.55, 1,602.59 and 338.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.55 : 1,602.59 = 338.00 : x
2. Step 2: Convert to fraction form
   1,068.55/1,602.59 = 338.00/x
3. Step 3: Cross multiply
   1,068.55x = 1,602.59 × 338.00
4. Step 4: Simplify right side
   1,068.55x = 541,665.72
5. Step 5: Solve for x
   x = 541,665.72/1,068.55
6. Step 6: Final answer
   x = 506.92