Finding the Fourth Proportional to 1,650.77, 2,275.34 and 1,171.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650.77 : 2,275.34 = 1,171.58 : x
2. Step 2: Convert to fraction form
   1,650.77/2,275.34 = 1,171.58/x
3. Step 3: Cross multiply
   1,650.77x = 2,275.34 × 1,171.58
4. Step 4: Simplify right side
   1,650.77x = 2,665,725.60
5. Step 5: Solve for x
   x = 2,665,725.60/1,650.77
6. Step 6: Final answer
   x = 1,614.84