Finding the Fourth Proportional to 1,856.42, 2,562.34 and 1,070.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.42 : 2,562.34 = 1,070.52 : x
2. Step 2: Convert to fraction form
   1,856.42/2,562.34 = 1,070.52/x
3. Step 3: Cross multiply
   1,856.42x = 2,562.34 × 1,070.52
4. Step 4: Simplify right side
   1,856.42x = 2,743,036.22
5. Step 5: Solve for x
   x = 2,743,036.22/1,856.42
6. Step 6: Final answer
   x = 1,477.59