Finding the Fourth Proportional to 1,550.99, 2,326.65 and 510.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.99 : 2,326.65 = 510.69 : x
2. Step 2: Convert to fraction form
   1,550.99/2,326.65 = 510.69/x
3. Step 3: Cross multiply
   1,550.99x = 2,326.65 × 510.69
4. Step 4: Simplify right side
   1,550.99x = 1,188,196.89
5. Step 5: Solve for x
   x = 1,188,196.89/1,550.99
6. Step 6: Final answer
   x = 766.09