Finding the Fourth Proportional to 1,100.89, 1,651.34 and 370.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.89 : 1,651.34 = 370.30 : x
2. Step 2: Convert to fraction form
   1,100.89/1,651.34 = 370.30/x
3. Step 3: Cross multiply
   1,100.89x = 1,651.34 × 370.30
4. Step 4: Simplify right side
   1,100.89x = 611,484.37
5. Step 5: Solve for x
   x = 611,484.37/1,100.89
6. Step 6: Final answer
   x = 555.44