Finding the Fourth Proportional to 32,796.62, 45,149.85 and 31,290.20

Step by Step Solution

1. Step 1: Write the proportion equation
   32,796.62 : 45,149.85 = 31,290.20 : x
2. Step 2: Convert to fraction form
   32,796.62/45,149.85 = 31,290.20/x
3. Step 3: Cross multiply
   32,796.62x = 45,149.85 × 31,290.20
4. Step 4: Simplify right side
   32,796.62x = 1,412,747,836.47
5. Step 5: Solve for x
   x = 1,412,747,836.47/32,796.62
6. Step 6: Final answer
   x = 43,076.02