Finding the Fourth Proportional to 150,363.54, 207,498.51 and 82,377.20

Step by Step Solution

1. Step 1: Write the proportion equation
   150,363.54 : 207,498.51 = 82,377.20 : x
2. Step 2: Convert to fraction form
   150,363.54/207,498.51 = 82,377.20/x
3. Step 3: Cross multiply
   150,363.54x = 207,498.51 × 82,377.20
4. Step 4: Simplify right side
   150,363.54x = 17,093,146,776.72
5. Step 5: Solve for x
   x = 17,093,146,776.72/150,363.54
6. Step 6: Final answer
   x = 113,678.80