Finding the Fourth Proportional to 2,730.32, 4,093.02 and 1,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.32 : 4,093.02 = 1,086.50 : x
2. Step 2: Convert to fraction form
   2,730.32/4,093.02 = 1,086.50/x
3. Step 3: Cross multiply
   2,730.32x = 4,093.02 × 1,086.50
4. Step 4: Simplify right side
   2,730.32x = 4,447,066.23
5. Step 5: Solve for x
   x = 4,447,066.23/2,730.32
6. Step 6: Final answer
   x = 1,628.77