Finding the Fourth Proportional to 117,100.14, 175,630.24 and 42,205.38

Step by Step Solution

1. Step 1: Write the proportion equation
   117,100.14 : 175,630.24 = 42,205.38 : x
2. Step 2: Convert to fraction form
   117,100.14/175,630.24 = 42,205.38/x
3. Step 3: Cross multiply
   117,100.14x = 175,630.24 × 42,205.38
4. Step 4: Simplify right side
   117,100.14x = 7,412,541,018.69
5. Step 5: Solve for x
   x = 7,412,541,018.69/117,100.14
6. Step 6: Final answer
   x = 63,300.87