Finding the Fourth Proportional to 1,123.81, 1,551.05 and 704.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.81 : 1,551.05 = 704.52 : x
2. Step 2: Convert to fraction form
   1,123.81/1,551.05 = 704.52/x
3. Step 3: Cross multiply
   1,123.81x = 1,551.05 × 704.52
4. Step 4: Simplify right side
   1,123.81x = 1,092,744.87
5. Step 5: Solve for x
   x = 1,092,744.87/1,123.81
6. Step 6: Final answer
   x = 972.36