Finding the Fourth Proportional to 172,939.96, 259,269.04 and 116,072.52

Step by Step Solution

1. Step 1: Write the proportion equation
   172,939.96 : 259,269.04 = 116,072.52 : x
2. Step 2: Convert to fraction form
   172,939.96/259,269.04 = 116,072.52/x
3. Step 3: Cross multiply
   172,939.96x = 259,269.04 × 116,072.52
4. Step 4: Simplify right side
   172,939.96x = 30,094,010,830.78
5. Step 5: Solve for x
   x = 30,094,010,830.78/172,939.96
6. Step 6: Final answer
   x = 174,014.21