Finding the Fourth Proportional to 1,050.42, 1,574.66 and 530.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.42 : 1,574.66 = 530.12 : x
2. Step 2: Convert to fraction form
   1,050.42/1,574.66 = 530.12/x
3. Step 3: Cross multiply
   1,050.42x = 1,574.66 × 530.12
4. Step 4: Simplify right side
   1,050.42x = 834,758.76
5. Step 5: Solve for x
   x = 834,758.76/1,050.42
6. Step 6: Final answer
   x = 794.69