Finding the Fourth Proportional to 73,917.12, 102,005.73 and 42,086.03

Step by Step Solution

1. Step 1: Write the proportion equation
   73,917.12 : 102,005.73 = 42,086.03 : x
2. Step 2: Convert to fraction form
   73,917.12/102,005.73 = 42,086.03/x
3. Step 3: Cross multiply
   73,917.12x = 102,005.73 × 42,086.03
4. Step 4: Simplify right side
   73,917.12x = 4,293,016,002.52
5. Step 5: Solve for x
   x = 4,293,016,002.52/73,917.12
6. Step 6: Final answer
   x = 58,078.78