Finding the Fourth Proportional to 3,472.34, 4,791.72 and 1,900.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,472.34 : 4,791.72 = 1,900.34 : x
2. Step 2: Convert to fraction form
   3,472.34/4,791.72 = 1,900.34/x
3. Step 3: Cross multiply
   3,472.34x = 4,791.72 × 1,900.34
4. Step 4: Simplify right side
   3,472.34x = 9,105,897.18
5. Step 5: Solve for x
   x = 9,105,897.18/3,472.34
6. Step 6: Final answer
   x = 2,622.41