Finding the Fourth Proportional to 2,793.12, 4,189.89 and 943.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,793.12 : 4,189.89 = 943.62 : x
2. Step 2: Convert to fraction form
   2,793.12/4,189.89 = 943.62/x
3. Step 3: Cross multiply
   2,793.12x = 4,189.89 × 943.62
4. Step 4: Simplify right side
   2,793.12x = 3,953,659.28
5. Step 5: Solve for x
   x = 3,953,659.28/2,793.12
6. Step 6: Final answer
   x = 1,415.50