Finding the Fourth Proportional to 1,068.72, 1,603.24 and 375.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.72 : 1,603.24 = 375.47 : x
2. Step 2: Convert to fraction form
   1,068.72/1,603.24 = 375.47/x
3. Step 3: Cross multiply
   1,068.72x = 1,603.24 × 375.47
4. Step 4: Simplify right side
   1,068.72x = 601,968.52
5. Step 5: Solve for x
   x = 601,968.52/1,068.72
6. Step 6: Final answer
   x = 563.26