Finding the Fourth Proportional to 1,406.34, 2,111.34 and 1,081.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.34 : 2,111.34 = 1,081.94 : x
2. Step 2: Convert to fraction form
   1,406.34/2,111.34 = 1,081.94/x
3. Step 3: Cross multiply
   1,406.34x = 2,111.34 × 1,081.94
4. Step 4: Simplify right side
   1,406.34x = 2,284,343.20
5. Step 5: Solve for x
   x = 2,284,343.20/1,406.34
6. Step 6: Final answer
   x = 1,624.32