Finding the Fourth Proportional to 1,672.25, 2,507.29 and 794.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.25 : 2,507.29 = 794.24 : x
2. Step 2: Convert to fraction form
   1,672.25/2,507.29 = 794.24/x
3. Step 3: Cross multiply
   1,672.25x = 2,507.29 × 794.24
4. Step 4: Simplify right side
   1,672.25x = 1,991,384.89
5. Step 5: Solve for x
   x = 1,991,384.89/1,672.25
6. Step 6: Final answer
   x = 1,190.85