Finding the Fourth Proportional to 1,784.68, 2,460.87 and 1,120.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.68 : 2,460.87 = 1,120.72 : x
2. Step 2: Convert to fraction form
   1,784.68/2,460.87 = 1,120.72/x
3. Step 3: Cross multiply
   1,784.68x = 2,460.87 × 1,120.72
4. Step 4: Simplify right side
   1,784.68x = 2,757,946.23
5. Step 5: Solve for x
   x = 2,757,946.23/1,784.68
6. Step 6: Final answer
   x = 1,545.34