Finding the Fourth Proportional to 117,107.37, 175,606.17 and 42,217.60

Step by Step Solution

1. Step 1: Write the proportion equation
   117,107.37 : 175,606.17 = 42,217.60 : x
2. Step 2: Convert to fraction form
   117,107.37/175,606.17 = 42,217.60/x
3. Step 3: Cross multiply
   117,107.37x = 175,606.17 × 42,217.60
4. Step 4: Simplify right side
   117,107.37x = 7,413,671,042.59
5. Step 5: Solve for x
   x = 7,413,671,042.59/117,107.37
6. Step 6: Final answer
   x = 63,306.62