Finding the Fourth Proportional to 2,641.08, 3,962.34 and 1,101.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.08 : 3,962.34 = 1,101.72 : x
2. Step 2: Convert to fraction form
   2,641.08/3,962.34 = 1,101.72/x
3. Step 3: Cross multiply
   2,641.08x = 3,962.34 × 1,101.72
4. Step 4: Simplify right side
   2,641.08x = 4,365,389.22
5. Step 5: Solve for x
   x = 4,365,389.22/2,641.08
6. Step 6: Final answer
   x = 1,652.88