Finding the Fourth Proportional to 2,525.25, 3,484.86 and 1,406.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.25 : 3,484.86 = 1,406.22 : x
2. Step 2: Convert to fraction form
   2,525.25/3,484.86 = 1,406.22/x
3. Step 3: Cross multiply
   2,525.25x = 3,484.86 × 1,406.22
4. Step 4: Simplify right side
   2,525.25x = 4,900,479.83
5. Step 5: Solve for x
   x = 4,900,479.83/2,525.25
6. Step 6: Final answer
   x = 1,940.59