Finding the Fourth Proportional to 172,669.40, 238,320.52 and 116,047.98

Step by Step Solution

1. Step 1: Write the proportion equation
   172,669.40 : 238,320.52 = 116,047.98 : x
2. Step 2: Convert to fraction form
   172,669.40/238,320.52 = 116,047.98/x
3. Step 3: Cross multiply
   172,669.40x = 238,320.52 × 116,047.98
4. Step 4: Simplify right side
   172,669.40x = 27,656,614,938.55
5. Step 5: Solve for x
   x = 27,656,614,938.55/172,669.40
6. Step 6: Final answer
   x = 160,170.91