Finding the Fourth Proportional to 73,909.15, 101,994.73 and 42,078.06

Step by Step Solution

1. Step 1: Write the proportion equation
   73,909.15 : 101,994.73 = 42,078.06 : x
2. Step 2: Convert to fraction form
   73,909.15/101,994.73 = 42,078.06/x
3. Step 3: Cross multiply
   73,909.15x = 101,994.73 × 42,078.06
4. Step 4: Simplify right side
   73,909.15x = 4,291,740,263.43
5. Step 5: Solve for x
   x = 4,291,740,263.43/73,909.15
6. Step 6: Final answer
   x = 58,067.78