Finding the Fourth Proportional to 103,633.45, 155,452.01 and 37,121.31

Step by Step Solution

1. Step 1: Write the proportion equation
   103,633.45 : 155,452.01 = 37,121.31 : x
2. Step 2: Convert to fraction form
   103,633.45/155,452.01 = 37,121.31/x
3. Step 3: Cross multiply
   103,633.45x = 155,452.01 × 37,121.31
4. Step 4: Simplify right side
   103,633.45x = 5,770,582,067.73
5. Step 5: Solve for x
   x = 5,770,582,067.73/103,633.45
6. Step 6: Final answer
   x = 55,682.62