Finding the Fourth Proportional to 1,300.25, 1,950.69 and 530.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.25 : 1,950.69 = 530.75 : x
2. Step 2: Convert to fraction form
   1,300.25/1,950.69 = 530.75/x
3. Step 3: Cross multiply
   1,300.25x = 1,950.69 × 530.75
4. Step 4: Simplify right side
   1,300.25x = 1,035,328.72
5. Step 5: Solve for x
   x = 1,035,328.72/1,300.25
6. Step 6: Final answer
   x = 796.25