Finding the Fourth Proportional to 114,237.72, 171,351.72 and 31,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,237.72 : 171,351.72 = 31,131.72 : x
2. Step 2: Convert to fraction form
   114,237.72/171,351.72 = 31,131.72/x
3. Step 3: Cross multiply
   114,237.72x = 171,351.72 × 31,131.72
4. Step 4: Simplify right side
   114,237.72x = 5,334,473,768.56
5. Step 5: Solve for x
   x = 5,334,473,768.56/114,237.72
6. Step 6: Final answer
   x = 46,696.26