Finding the Fourth Proportional to 2,101.72, 3,152.55 and 716.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.72 : 3,152.55 = 716.02 : x
2. Step 2: Convert to fraction form
   2,101.72/3,152.55 = 716.02/x
3. Step 3: Cross multiply
   2,101.72x = 3,152.55 × 716.02
4. Step 4: Simplify right side
   2,101.72x = 2,257,305.47
5. Step 5: Solve for x
   x = 2,257,305.47/2,101.72
6. Step 6: Final answer
   x = 1,074.03