Finding the Fourth Proportional to 1,550.83, 2,326.56 and 510.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.83 : 2,326.56 = 510.91 : x
2. Step 2: Convert to fraction form
   1,550.83/2,326.56 = 510.91/x
3. Step 3: Cross multiply
   1,550.83x = 2,326.56 × 510.91
4. Step 4: Simplify right side
   1,550.83x = 1,188,662.77
5. Step 5: Solve for x
   x = 1,188,662.77/1,550.83
6. Step 6: Final answer
   x = 766.47