Finding the Fourth Proportional to 73,908.52, 101,993.71 and 39,917

Step by Step Solution

1. Step 1: Write the proportion equation
   73,908.52 : 101,993.71 = 39,917 : x
2. Step 2: Convert to fraction form
   73,908.52/101,993.71 = 39,917/x
3. Step 3: Cross multiply
   73,908.52x = 101,993.71 × 39,917
4. Step 4: Simplify right side
   73,908.52x = 4,071,282,922.07
5. Step 5: Solve for x
   x = 4,071,282,922.07/73,908.52
6. Step 6: Final answer
   x = 55,085.43