Finding the Fourth Proportional to 2,093.99, 2,890.31 and 1,385.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.99 : 2,890.31 = 1,385.96 : x
2. Step 2: Convert to fraction form
   2,093.99/2,890.31 = 1,385.96/x
3. Step 3: Cross multiply
   2,093.99x = 2,890.31 × 1,385.96
4. Step 4: Simplify right side
   2,093.99x = 4,005,832.67
5. Step 5: Solve for x
   x = 4,005,832.67/2,093.99
6. Step 6: Final answer
   x = 1,913.02