Finding the Fourth Proportional to 73,920.39, 101,984.83 and 42,081.31

Step by Step Solution

1. Step 1: Write the proportion equation
   73,920.39 : 101,984.83 = 42,081.31 : x
2. Step 2: Convert to fraction form
   73,920.39/101,984.83 = 42,081.31/x
3. Step 3: Cross multiply
   73,920.39x = 101,984.83 × 42,081.31
4. Step 4: Simplify right side
   73,920.39x = 4,291,655,246.53
5. Step 5: Solve for x
   x = 4,291,655,246.53/73,920.39
6. Step 6: Final answer
   x = 58,057.80