Finding the Fourth Proportional to 1,106.89, 1,657.63 and 1,077.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.89 : 1,657.63 = 1,077.73 : x
2. Step 2: Convert to fraction form
   1,106.89/1,657.63 = 1,077.73/x
3. Step 3: Cross multiply
   1,106.89x = 1,657.63 × 1,077.73
4. Step 4: Simplify right side
   1,106.89x = 1,786,477.58
5. Step 5: Solve for x
   x = 1,786,477.58/1,106.89
6. Step 6: Final answer
   x = 1,613.96