Finding the Fourth Proportional to 150,627.34, 207,867.81 and 82,643.05

Step by Step Solution

1. Step 1: Write the proportion equation
   150,627.34 : 207,867.81 = 82,643.05 : x
2. Step 2: Convert to fraction form
   150,627.34/207,867.81 = 82,643.05/x
3. Step 3: Cross multiply
   150,627.34x = 207,867.81 × 82,643.05
4. Step 4: Simplify right side
   150,627.34x = 17,178,829,815.22
5. Step 5: Solve for x
   x = 17,178,829,815.22/150,627.34
6. Step 6: Final answer
   x = 114,048.55