Finding the Fourth Proportional to 73,919.76, 101,997.54 and 42,089.28

Step by Step Solution

1. Step 1: Write the proportion equation
   73,919.76 : 101,997.54 = 42,089.28 : x
2. Step 2: Convert to fraction form
   73,919.76/101,997.54 = 42,089.28/x
3. Step 3: Cross multiply
   73,919.76x = 101,997.54 × 42,089.28
4. Step 4: Simplify right side
   73,919.76x = 4,293,003,020.37
5. Step 5: Solve for x
   x = 4,293,003,020.37/73,919.76
6. Step 6: Final answer
   x = 58,076.53