Finding the Fourth Proportional to 2,276.52, 3,412.72 and 1,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.52 : 3,412.72 = 1,105.88 : x
2. Step 2: Convert to fraction form
   2,276.52/3,412.72 = 1,105.88/x
3. Step 3: Cross multiply
   2,276.52x = 3,412.72 × 1,105.88
4. Step 4: Simplify right side
   2,276.52x = 3,774,058.79
5. Step 5: Solve for x
   x = 3,774,058.79/2,276.52
6. Step 6: Final answer
   x = 1,657.82