Finding the Fourth Proportional to 2,101.05, 2,901.56 and 1,731.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.05 : 2,901.56 = 1,731.69 : x
2. Step 2: Convert to fraction form
   2,101.05/2,901.56 = 1,731.69/x
3. Step 3: Cross multiply
   2,101.05x = 2,901.56 × 1,731.69
4. Step 4: Simplify right side
   2,101.05x = 5,024,602.44
5. Step 5: Solve for x
   x = 5,024,602.44/2,101.05
6. Step 6: Final answer
   x = 2,391.47