Finding the Fourth Proportional to 1,300.59, 1,950.89 and 531.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.59 : 1,950.89 = 531.09 : x
2. Step 2: Convert to fraction form
   1,300.59/1,950.89 = 531.09/x
3. Step 3: Cross multiply
   1,300.59x = 1,950.89 × 531.09
4. Step 4: Simplify right side
   1,300.59x = 1,036,106.81
5. Step 5: Solve for x
   x = 1,036,106.81/1,300.59
6. Step 6: Final answer
   x = 796.64