Finding the Fourth Proportional to 117,072.74, 175,501.47 and 42,174.57

Step by Step Solution

1. Step 1: Write the proportion equation
   117,072.74 : 175,501.47 = 42,174.57 : x
2. Step 2: Convert to fraction form
   117,072.74/175,501.47 = 42,174.57/x
3. Step 3: Cross multiply
   117,072.74x = 175,501.47 × 42,174.57
4. Step 4: Simplify right side
   117,072.74x = 7,401,699,031.62
5. Step 5: Solve for x
   x = 7,401,699,031.62/117,072.74
6. Step 6: Final answer
   x = 63,223.08