Finding the Fourth Proportional to 35,651.67, 49,089.40 and 31,665.86

Step by Step Solution

1. Step 1: Write the proportion equation
   35,651.67 : 49,089.40 = 31,665.86 : x
2. Step 2: Convert to fraction form
   35,651.67/49,089.40 = 31,665.86/x
3. Step 3: Cross multiply
   35,651.67x = 49,089.40 × 31,665.86
4. Step 4: Simplify right side
   35,651.67x = 1,554,458,067.88
5. Step 5: Solve for x
   x = 1,554,458,067.88/35,651.67
6. Step 6: Final answer
   x = 43,601.27