Finding the Fourth Proportional to 101,425.72, 152,138.60 and 38,228.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,425.72 : 152,138.60 = 38,228.72 : x
2. Step 2: Convert to fraction form
   101,425.72/152,138.60 = 38,228.72/x
3. Step 3: Cross multiply
   101,425.72x = 152,138.60 × 38,228.72
4. Step 4: Simplify right side
   101,425.72x = 5,816,063,940.59
5. Step 5: Solve for x
   x = 5,816,063,940.59/101,425.72
6. Step 6: Final answer
   x = 57,343.09