Finding the Fourth Proportional to 1,856.82, 2,562.13 and 1,070.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.82 : 2,562.13 = 1,070.72 : x
2. Step 2: Convert to fraction form
   1,856.82/2,562.13 = 1,070.72/x
3. Step 3: Cross multiply
   1,856.82x = 2,562.13 × 1,070.72
4. Step 4: Simplify right side
   1,856.82x = 2,743,321.97
5. Step 5: Solve for x
   x = 2,743,321.97/1,856.82
6. Step 6: Final answer
   x = 1,477.43