Finding the Fourth Proportional to 2,453.12, 3,385.22 and 1,404.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.12 : 3,385.22 = 1,404.98 : x
2. Step 2: Convert to fraction form
   2,453.12/3,385.22 = 1,404.98/x
3. Step 3: Cross multiply
   2,453.12x = 3,385.22 × 1,404.98
4. Step 4: Simplify right side
   2,453.12x = 4,756,178.37
5. Step 5: Solve for x
   x = 4,756,178.37/2,453.12
6. Step 6: Final answer
   x = 1,938.83