Finding the Fourth Proportional to 3,472.63, 4,792.23 and 1,900.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,472.63 : 4,792.23 = 1,900.72 : x
2. Step 2: Convert to fraction form
   3,472.63/4,792.23 = 1,900.72/x
3. Step 3: Cross multiply
   3,472.63x = 4,792.23 × 1,900.72
4. Step 4: Simplify right side
   3,472.63x = 9,108,687.41
5. Step 5: Solve for x
   x = 9,108,687.41/3,472.63
6. Step 6: Final answer
   x = 2,622.99