Finding the Fourth Proportional to 117,072.90, 175,501.71 and 42,174.73

Step by Step Solution

1. Step 1: Write the proportion equation
   117,072.90 : 175,501.71 = 42,174.73 : x
2. Step 2: Convert to fraction form
   117,072.90/175,501.71 = 42,174.73/x
3. Step 3: Cross multiply
   117,072.90x = 175,501.71 × 42,174.73
4. Step 4: Simplify right side
   117,072.90x = 7,401,737,233.79
5. Step 5: Solve for x
   x = 7,401,737,233.79/117,072.90
6. Step 6: Final answer
   x = 63,223.32