Finding the Fourth Proportional to 1,559.12, 2,151.94 and 1,061.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.12 : 2,151.94 = 1,061.96 : x
2. Step 2: Convert to fraction form
   1,559.12/2,151.94 = 1,061.96/x
3. Step 3: Cross multiply
   1,559.12x = 2,151.94 × 1,061.96
4. Step 4: Simplify right side
   1,559.12x = 2,285,274.20
5. Step 5: Solve for x
   x = 2,285,274.20/1,559.12
6. Step 6: Final answer
   x = 1,465.75