Finding the Fourth Proportional to 103,725.42, 155,608.56 and 37,147.65

Step by Step Solution

1. Step 1: Write the proportion equation
   103,725.42 : 155,608.56 = 37,147.65 : x
2. Step 2: Convert to fraction form
   103,725.42/155,608.56 = 37,147.65/x
3. Step 3: Cross multiply
   103,725.42x = 155,608.56 × 37,147.65
4. Step 4: Simplify right side
   103,725.42x = 5,780,492,323.88
5. Step 5: Solve for x
   x = 5,780,492,323.88/103,725.42
6. Step 6: Final answer
   x = 55,728.79