Finding the Fourth Proportional to 114,696.50, 172,059.33 and 31,590.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,696.50 : 172,059.33 = 31,590.50 : x
2. Step 2: Convert to fraction form
   114,696.50/172,059.33 = 31,590.50/x
3. Step 3: Cross multiply
   114,696.50x = 172,059.33 × 31,590.50
4. Step 4: Simplify right side
   114,696.50x = 5,435,440,264.37
5. Step 5: Solve for x
   x = 5,435,440,264.37/114,696.50
6. Step 6: Final answer
   x = 47,389.77