Finding the Fourth Proportional to 1,260.50, 1,890.38 and 530.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260.50 : 1,890.38 = 530.06 : x
2. Step 2: Convert to fraction form
   1,260.50/1,890.38 = 530.06/x
3. Step 3: Cross multiply
   1,260.50x = 1,890.38 × 530.06
4. Step 4: Simplify right side
   1,260.50x = 1,002,014.82
5. Step 5: Solve for x
   x = 1,002,014.82/1,260.50
6. Step 6: Final answer
   x = 794.93