Finding the Fourth Proportional to 1,650.74, 2,477.80 and 1,106.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650.74 : 2,477.80 = 1,106.72 : x
2. Step 2: Convert to fraction form
   1,650.74/2,477.80 = 1,106.72/x
3. Step 3: Cross multiply
   1,650.74x = 2,477.80 × 1,106.72
4. Step 4: Simplify right side
   1,650.74x = 2,742,230.82
5. Step 5: Solve for x
   x = 2,742,230.82/1,650.74
6. Step 6: Final answer
   x = 1,661.21