Finding the Fourth Proportional to 2,525.45, 3,484.67 and 1,406.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.45 : 3,484.67 = 1,406.34 : x
2. Step 2: Convert to fraction form
   2,525.45/3,484.67 = 1,406.34/x
3. Step 3: Cross multiply
   2,525.45x = 3,484.67 × 1,406.34
4. Step 4: Simplify right side
   2,525.45x = 4,900,623.78
5. Step 5: Solve for x
   x = 4,900,623.78/2,525.45
6. Step 6: Final answer
   x = 1,940.50