Finding the Fourth Proportional to 1,066.33, 1,598.49 and 372.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.33 : 1,598.49 = 372.55 : x
2. Step 2: Convert to fraction form
   1,066.33/1,598.49 = 372.55/x
3. Step 3: Cross multiply
   1,066.33x = 1,598.49 × 372.55
4. Step 4: Simplify right side
   1,066.33x = 595,521.77
5. Step 5: Solve for x
   x = 595,521.77/1,066.33
6. Step 6: Final answer
   x = 558.48