Finding the Fourth Proportional to 2,102.52, 2,900.97 and 1,171.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102.52 : 2,900.97 = 1,171.02 : x
2. Step 2: Convert to fraction form
   2,102.52/2,900.97 = 1,171.02/x
3. Step 3: Cross multiply
   2,102.52x = 2,900.97 × 1,171.02
4. Step 4: Simplify right side
   2,102.52x = 3,397,093.89
5. Step 5: Solve for x
   x = 3,397,093.89/2,102.52
6. Step 6: Final answer
   x = 1,615.72