Finding the Fourth Proportional to 1,856.66, 2,562.10 and 1,111.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.66 : 2,562.10 = 1,111.03 : x
2. Step 2: Convert to fraction form
   1,856.66/2,562.10 = 1,111.03/x
3. Step 3: Cross multiply
   1,856.66x = 2,562.10 × 1,111.03
4. Step 4: Simplify right side
   1,856.66x = 2,846,569.96
5. Step 5: Solve for x
   x = 2,846,569.96/1,856.66
6. Step 6: Final answer
   x = 1,533.17