Finding the Fourth Proportional to 31,794, 43,875.72 and 17,649.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,794 : 43,875.72 = 17,649.78 : x
2. Step 2: Convert to fraction form
   31,794/43,875.72 = 17,649.78/x
3. Step 3: Cross multiply
   31,794x = 43,875.72 × 17,649.78
4. Step 4: Simplify right side
   31,794x = 774,396,805.34
5. Step 5: Solve for x
   x = 774,396,805.34/31,794
6. Step 6: Final answer
   x = 24,356.70