Finding the Fourth Proportional to 749.82, 1,123.83 and 530.12

Step by Step Solution

1. Step 1: Write the proportion equation
   749.82 : 1,123.83 = 530.12 : x
2. Step 2: Convert to fraction form
   749.82/1,123.83 = 530.12/x
3. Step 3: Cross multiply
   749.82x = 1,123.83 × 530.12
4. Step 4: Simplify right side
   749.82x = 595,760.47
5. Step 5: Solve for x
   x = 595,760.47/749.82
6. Step 6: Final answer
   x = 794.54