Finding the Fourth Proportional to 72,061.44, 107,996.56 and 38,320.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72,061.44 : 107,996.56 = 38,320.44 : x
2. Step 2: Convert to fraction form
   72,061.44/107,996.56 = 38,320.44/x
3. Step 3: Cross multiply
   72,061.44x = 107,996.56 × 38,320.44
4. Step 4: Simplify right side
   72,061.44x = 4,138,475,697.69
5. Step 5: Solve for x
   x = 4,138,475,697.69/72,061.44
6. Step 6: Final answer
   x = 57,429.82