Finding the Fourth Proportional to 2,093.32, 2,890.38 and 1,308.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.32 : 2,890.38 = 1,308.76 : x
2. Step 2: Convert to fraction form
   2,093.32/2,890.38 = 1,308.76/x
3. Step 3: Cross multiply
   2,093.32x = 2,890.38 × 1,308.76
4. Step 4: Simplify right side
   2,093.32x = 3,782,813.73
5. Step 5: Solve for x
   x = 3,782,813.73/2,093.32
6. Step 6: Final answer
   x = 1,807.09