Finding the Fourth Proportional to 2,093.70, 3,132.78 and 1,478.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.70 : 3,132.78 = 1,478.88 : x
2. Step 2: Convert to fraction form
   2,093.70/3,132.78 = 1,478.88/x
3. Step 3: Cross multiply
   2,093.70x = 3,132.78 × 1,478.88
4. Step 4: Simplify right side
   2,093.70x = 4,633,005.69
5. Step 5: Solve for x
   x = 4,633,005.69/2,093.70
6. Step 6: Final answer
   x = 2,212.83