Finding the Fourth Proportional to 2,101.34, 3,142.45 and 1,574.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.34 : 3,142.45 = 1,574.59 : x
2. Step 2: Convert to fraction form
   2,101.34/3,142.45 = 1,574.59/x
3. Step 3: Cross multiply
   2,101.34x = 3,142.45 × 1,574.59
4. Step 4: Simplify right side
   2,101.34x = 4,948,061.49
5. Step 5: Solve for x
   x = 4,948,061.49/2,101.34
6. Step 6: Final answer
   x = 2,354.71