Finding the Fourth Proportional to 73,906.47, 101,991.42 and 42,077.39

Step by Step Solution

1. Step 1: Write the proportion equation
   73,906.47 : 101,991.42 = 42,077.39 : x
2. Step 2: Convert to fraction form
   73,906.47/101,991.42 = 42,077.39/x
3. Step 3: Cross multiply
   73,906.47x = 101,991.42 × 42,077.39
4. Step 4: Simplify right side
   73,906.47x = 4,291,532,246.04
5. Step 5: Solve for x
   x = 4,291,532,246.04/73,906.47
6. Step 6: Final answer
   x = 58,067.07