Finding the Fourth Proportional to 2,452.50, 3,384.72 and 1,404.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.50 : 3,384.72 = 1,404.90 : x
2. Step 2: Convert to fraction form
   2,452.50/3,384.72 = 1,404.90/x
3. Step 3: Cross multiply
   2,452.50x = 3,384.72 × 1,404.90
4. Step 4: Simplify right side
   2,452.50x = 4,755,193.13
5. Step 5: Solve for x
   x = 4,755,193.13/2,452.50
6. Step 6: Final answer
   x = 1,938.92