Finding the Fourth Proportional to 150,641.52, 207,885.15 and 82,658.88

Step by Step Solution

1. Step 1: Write the proportion equation
   150,641.52 : 207,885.15 = 82,658.88 : x
2. Step 2: Convert to fraction form
   150,641.52/207,885.15 = 82,658.88/x
3. Step 3: Cross multiply
   150,641.52x = 207,885.15 × 82,658.88
4. Step 4: Simplify right side
   150,641.52x = 17,183,553,667.63
5. Step 5: Solve for x
   x = 17,183,553,667.63/150,641.52
6. Step 6: Final answer
   x = 114,069.17