Finding the Fourth Proportional to 1,043.76, 1,565.83 and 350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.76 : 1,565.83 = 350.50 : x
2. Step 2: Convert to fraction form
   1,043.76/1,565.83 = 350.50/x
3. Step 3: Cross multiply
   1,043.76x = 1,565.83 × 350.50
4. Step 4: Simplify right side
   1,043.76x = 548,819.43
5. Step 5: Solve for x
   x = 548,819.43/1,043.76
6. Step 6: Final answer
   x = 525.81