Finding the Fourth Proportional to 2,921.34, 4,383.78 and 1,166.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,921.34 : 4,383.78 = 1,166.01 : x
2. Step 2: Convert to fraction form
   2,921.34/4,383.78 = 1,166.01/x
3. Step 3: Cross multiply
   2,921.34x = 4,383.78 × 1,166.01
4. Step 4: Simplify right side
   2,921.34x = 5,111,531.32
5. Step 5: Solve for x
   x = 5,111,531.32/2,921.34
6. Step 6: Final answer
   x = 1,749.72