Finding the Fourth Proportional to 42,635.24, 63,997.23 and 31,403.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,635.24 : 63,997.23 = 31,403.27 : x
2. Step 2: Convert to fraction form
   42,635.24/63,997.23 = 31,403.27/x
3. Step 3: Cross multiply
   42,635.24x = 63,997.23 × 31,403.27
4. Step 4: Simplify right side
   42,635.24x = 2,009,722,034.07
5. Step 5: Solve for x
   x = 2,009,722,034.07/42,635.24
6. Step 6: Final answer
   x = 47,137.58