Finding the Fourth Proportional to 150,486, 207,665.13 and 82,501.48

Step by Step Solution

1. Step 1: Write the proportion equation
   150,486 : 207,665.13 = 82,501.48 : x
2. Step 2: Convert to fraction form
   150,486/207,665.13 = 82,501.48/x
3. Step 3: Cross multiply
   150,486x = 207,665.13 × 82,501.48
4. Step 4: Simplify right side
   150,486x = 17,132,680,569.39
5. Step 5: Solve for x
   x = 17,132,680,569.39/150,486
6. Step 6: Final answer
   x = 113,849.00