Finding the Fourth Proportional to 1,825.98, 2,521.01 and 1,405.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825.98 : 2,521.01 = 1,405.55 : x
2. Step 2: Convert to fraction form
   1,825.98/2,521.01 = 1,405.55/x
3. Step 3: Cross multiply
   1,825.98x = 2,521.01 × 1,405.55
4. Step 4: Simplify right side
   1,825.98x = 3,543,396.51
5. Step 5: Solve for x
   x = 3,543,396.51/1,825.98
6. Step 6: Final answer
   x = 1,940.54