Finding the Fourth Proportional to 2,073.08, 3,111.64 and 1,086.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.08 : 3,111.64 = 1,086.86 : x
2. Step 2: Convert to fraction form
   2,073.08/3,111.64 = 1,086.86/x
3. Step 3: Cross multiply
   2,073.08x = 3,111.64 × 1,086.86
4. Step 4: Simplify right side
   2,073.08x = 3,381,917.05
5. Step 5: Solve for x
   x = 3,381,917.05/2,073.08
6. Step 6: Final answer
   x = 1,631.35