Finding the Fourth Proportional to 73,919.18, 101,993.37 and 42,079.70

Step by Step Solution

1. Step 1: Write the proportion equation
   73,919.18 : 101,993.37 = 42,079.70 : x
2. Step 2: Convert to fraction form
   73,919.18/101,993.37 = 42,079.70/x
3. Step 3: Cross multiply
   73,919.18x = 101,993.37 × 42,079.70
4. Step 4: Simplify right side
   73,919.18x = 4,291,850,411.59
5. Step 5: Solve for x
   x = 4,291,850,411.59/73,919.18
6. Step 6: Final answer
   x = 58,061.39