Finding the Fourth Proportional to 117,156.62, 175,698.56 and 42,267

Step by Step Solution

1. Step 1: Write the proportion equation
   117,156.62 : 175,698.56 = 42,267 : x
2. Step 2: Convert to fraction form
   117,156.62/175,698.56 = 42,267/x
3. Step 3: Cross multiply
   117,156.62x = 175,698.56 × 42,267
4. Step 4: Simplify right side
   117,156.62x = 7,426,250,824.19
5. Step 5: Solve for x
   x = 7,426,250,824.19/117,156.62
6. Step 6: Final answer
   x = 63,387.38