Finding the Fourth Proportional to 103,632.45, 155,450.50 and 37,120.31

Step by Step Solution

1. Step 1: Write the proportion equation
   103,632.45 : 155,450.50 = 37,120.31 : x
2. Step 2: Convert to fraction form
   103,632.45/155,450.50 = 37,120.31/x
3. Step 3: Cross multiply
   103,632.45x = 155,450.50 × 37,120.31
4. Step 4: Simplify right side
   103,632.45x = 5,770,370,656.85
5. Step 5: Solve for x
   x = 5,770,370,656.85/103,632.45
6. Step 6: Final answer
   x = 55,681.12