Finding the Fourth Proportional to 2,447.98, 3,672.35 and 804.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.98 : 3,672.35 = 804.15 : x
2. Step 2: Convert to fraction form
   2,447.98/3,672.35 = 804.15/x
3. Step 3: Cross multiply
   2,447.98x = 3,672.35 × 804.15
4. Step 4: Simplify right side
   2,447.98x = 2,953,116.23
5. Step 5: Solve for x
   x = 2,953,116.23/2,447.98
6. Step 6: Final answer
   x = 1,206.35