Finding the Fourth Proportional to 1,191.98, 1,788.05 and 370.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191.98 : 1,788.05 = 370.27 : x
2. Step 2: Convert to fraction form
   1,191.98/1,788.05 = 370.27/x
3. Step 3: Cross multiply
   1,191.98x = 1,788.05 × 370.27
4. Step 4: Simplify right side
   1,191.98x = 662,061.27
5. Step 5: Solve for x
   x = 662,061.27/1,191.98
6. Step 6: Final answer
   x = 555.43