Finding the Fourth Proportional to 1,559.54, 2,151.88 and 929.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.54 : 2,151.88 = 929.83 : x
2. Step 2: Convert to fraction form
   1,559.54/2,151.88 = 929.83/x
3. Step 3: Cross multiply
   1,559.54x = 2,151.88 × 929.83
4. Step 4: Simplify right side
   1,559.54x = 2,000,874.88
5. Step 5: Solve for x
   x = 2,000,874.88/1,559.54
6. Step 6: Final answer
   x = 1,282.99