Finding the Fourth Proportional to 2,300.89, 3,450.55 and 740.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.89 : 3,450.55 = 740.51 : x
2. Step 2: Convert to fraction form
   2,300.89/3,450.55 = 740.51/x
3. Step 3: Cross multiply
   2,300.89x = 3,450.55 × 740.51
4. Step 4: Simplify right side
   2,300.89x = 2,555,166.78
5. Step 5: Solve for x
   x = 2,555,166.78/2,300.89
6. Step 6: Final answer
   x = 1,110.51