Finding the Fourth Proportional to 35,464.72, 53,040.22 and 31,543.49

Step by Step Solution

1. Step 1: Write the proportion equation
   35,464.72 : 53,040.22 = 31,543.49 : x
2. Step 2: Convert to fraction form
   35,464.72/53,040.22 = 31,543.49/x
3. Step 3: Cross multiply
   35,464.72x = 53,040.22 × 31,543.49
4. Step 4: Simplify right side
   35,464.72x = 1,673,073,649.17
5. Step 5: Solve for x
   x = 1,673,073,649.17/35,464.72
6. Step 6: Final answer
   x = 47,175.72