Finding the Fourth Proportional to 2,300.43, 3,450.29 and 761.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.43 : 3,450.29 = 761.43 : x
2. Step 2: Convert to fraction form
   2,300.43/3,450.29 = 761.43/x
3. Step 3: Cross multiply
   2,300.43x = 3,450.29 × 761.43
4. Step 4: Simplify right side
   2,300.43x = 2,627,150.51
5. Step 5: Solve for x
   x = 2,627,150.51/2,300.43
6. Step 6: Final answer
   x = 1,142.03