Finding the Fourth Proportional to 1,995.54, 2,753.10 and 1,405.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.54 : 2,753.10 = 1,405.86 : x
2. Step 2: Convert to fraction form
   1,995.54/2,753.10 = 1,405.86/x
3. Step 3: Cross multiply
   1,995.54x = 2,753.10 × 1,405.86
4. Step 4: Simplify right side
   1,995.54x = 3,870,473.17
5. Step 5: Solve for x
   x = 3,870,473.17/1,995.54
6. Step 6: Final answer
   x = 1,939.56