Finding the Fourth Proportional to 1,100.51, 1,651.08 and 451.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.51 : 1,651.08 = 451.29 : x
2. Step 2: Convert to fraction form
   1,100.51/1,651.08 = 451.29/x
3. Step 3: Cross multiply
   1,100.51x = 1,651.08 × 451.29
4. Step 4: Simplify right side
   1,100.51x = 745,115.89
5. Step 5: Solve for x
   x = 745,115.89/1,100.51
6. Step 6: Final answer
   x = 677.07