Finding the Fourth Proportional to 2,793.15, 4,188.51 and 1,405.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,793.15 : 4,188.51 = 1,405.62 : x
2. Step 2: Convert to fraction form
   2,793.15/4,188.51 = 1,405.62/x
3. Step 3: Cross multiply
   2,793.15x = 4,188.51 × 1,405.62
4. Step 4: Simplify right side
   2,793.15x = 5,887,453.43
5. Step 5: Solve for x
   x = 5,887,453.43/2,793.15
6. Step 6: Final answer
   x = 2,107.82