Finding the Fourth Proportional to 7,100.89, 10,653.64 and 2,170.51

Step by Step Solution

1. Step 1: Write the proportion equation
   7,100.89 : 10,653.64 = 2,170.51 : x
2. Step 2: Convert to fraction form
   7,100.89/10,653.64 = 2,170.51/x
3. Step 3: Cross multiply
   7,100.89x = 10,653.64 × 2,170.51
4. Step 4: Simplify right side
   7,100.89x = 23,123,800.10
5. Step 5: Solve for x
   x = 23,123,800.10/7,100.89
6. Step 6: Final answer
   x = 3,256.47