Finding the Fourth Proportional to 1,410.61, 1,944.78 and 1,157.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.61 : 1,944.78 = 1,157.61 : x
2. Step 2: Convert to fraction form
   1,410.61/1,944.78 = 1,157.61/x
3. Step 3: Cross multiply
   1,410.61x = 1,944.78 × 1,157.61
4. Step 4: Simplify right side
   1,410.61x = 2,251,296.78
5. Step 5: Solve for x
   x = 2,251,296.78/1,410.61
6. Step 6: Final answer
   x = 1,595.97