Finding the Fourth Proportional to 1,066.91, 1,599.62 and 373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.91 : 1,599.62 = 373.50 : x
2. Step 2: Convert to fraction form
   1,066.91/1,599.62 = 373.50/x
3. Step 3: Cross multiply
   1,066.91x = 1,599.62 × 373.50
4. Step 4: Simplify right side
   1,066.91x = 597,456.20
5. Step 5: Solve for x
   x = 597,456.20/1,066.91
6. Step 6: Final answer
   x = 559.99