Finding the Fourth Proportional to 1,410.59, 1,944.45 and 1,111.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.59 : 1,944.45 = 1,111.28 : x
2. Step 2: Convert to fraction form
   1,410.59/1,944.45 = 1,111.28/x
3. Step 3: Cross multiply
   1,410.59x = 1,944.45 × 1,111.28
4. Step 4: Simplify right side
   1,410.59x = 2,160,818.67
5. Step 5: Solve for x
   x = 2,160,818.67/1,410.59
6. Step 6: Final answer
   x = 1,531.86