Finding the Fourth Proportional to 1,820.08, 2,510.72 and 1,120.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.08 : 2,510.72 = 1,120.24 : x
2. Step 2: Convert to fraction form
   1,820.08/2,510.72 = 1,120.24/x
3. Step 3: Cross multiply
   1,820.08x = 2,510.72 × 1,120.24
4. Step 4: Simplify right side
   1,820.08x = 2,812,608.97
5. Step 5: Solve for x
   x = 2,812,608.97/1,820.08
6. Step 6: Final answer
   x = 1,545.32