Finding the Fourth Proportional to 1,651.46, 2,278.06 and 1,120.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,651.46 : 2,278.06 = 1,120.37 : x
2. Step 2: Convert to fraction form
   1,651.46/2,278.06 = 1,120.37/x
3. Step 3: Cross multiply
   1,651.46x = 2,278.06 × 1,120.37
4. Step 4: Simplify right side
   1,651.46x = 2,552,255.89
5. Step 5: Solve for x
   x = 2,552,255.89/1,651.46
6. Step 6: Final answer
   x = 1,545.46