Finding the Fourth Proportional to 2,648.01, 3,972.10 and 1,166.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.01 : 3,972.10 = 1,166.47 : x
2. Step 2: Convert to fraction form
   2,648.01/3,972.10 = 1,166.47/x
3. Step 3: Cross multiply
   2,648.01x = 3,972.10 × 1,166.47
4. Step 4: Simplify right side
   2,648.01x = 4,633,335.49
5. Step 5: Solve for x
   x = 4,633,335.49/2,648.01
6. Step 6: Final answer
   x = 1,749.74