Finding the Fourth Proportional to 2,499.60, 3,446.76 and 1,791.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.60 : 3,446.76 = 1,791.12 : x
2. Step 2: Convert to fraction form
   2,499.60/3,446.76 = 1,791.12/x
3. Step 3: Cross multiply
   2,499.60x = 3,446.76 × 1,791.12
4. Step 4: Simplify right side
   2,499.60x = 6,173,560.77
5. Step 5: Solve for x
   x = 6,173,560.77/2,499.60
6. Step 6: Final answer
   x = 2,469.82