Finding the Fourth Proportional to 1,533.30, 2,300.22 and 711.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,533.30 : 2,300.22 = 711.42 : x
2. Step 2: Convert to fraction form
   1,533.30/2,300.22 = 711.42/x
3. Step 3: Cross multiply
   1,533.30x = 2,300.22 × 711.42
4. Step 4: Simplify right side
   1,533.30x = 1,636,422.51
5. Step 5: Solve for x
   x = 1,636,422.51/1,533.30
6. Step 6: Final answer
   x = 1,067.26