Finding the Fourth Proportional to 7,101.89, 10,653.33 and 2,171.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,101.89 : 10,653.33 = 2,171.15 : x
2. Step 2: Convert to fraction form
   7,101.89/10,653.33 = 2,171.15/x
3. Step 3: Cross multiply
   7,101.89x = 10,653.33 × 2,171.15
4. Step 4: Simplify right side
   7,101.89x = 23,129,977.43
5. Step 5: Solve for x
   x = 23,129,977.43/7,101.89
6. Step 6: Final answer
   x = 3,256.88