Finding the Fourth Proportional to 1,300.26, 1,951.20 and 530.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.26 : 1,951.20 = 530.76 : x
2. Step 2: Convert to fraction form
   1,300.26/1,951.20 = 530.76/x
3. Step 3: Cross multiply
   1,300.26x = 1,951.20 × 530.76
4. Step 4: Simplify right side
   1,300.26x = 1,035,618.91
5. Step 5: Solve for x
   x = 1,035,618.91/1,300.26
6. Step 6: Final answer
   x = 796.47