Finding the Fourth Proportional to 172,661.34, 238,309.41 and 116,039.91

Step by Step Solution

1. Step 1: Write the proportion equation
   172,661.34 : 238,309.41 = 116,039.91 : x
2. Step 2: Convert to fraction form
   172,661.34/238,309.41 = 116,039.91/x
3. Step 3: Cross multiply
   172,661.34x = 238,309.41 × 116,039.91
4. Step 4: Simplify right side
   172,661.34x = 27,653,402,488.55
5. Step 5: Solve for x
   x = 27,653,402,488.55/172,661.34
6. Step 6: Final answer
   x = 160,159.78