Finding the Fourth Proportional to 150,501.30, 207,693.79 and 82,518.12

Step by Step Solution

1. Step 1: Write the proportion equation
   150,501.30 : 207,693.79 = 82,518.12 : x
2. Step 2: Convert to fraction form
   150,501.30/207,693.79 = 82,518.12/x
3. Step 3: Cross multiply
   150,501.30x = 207,693.79 × 82,518.12
4. Step 4: Simplify right side
   150,501.30x = 17,138,501,086.47
5. Step 5: Solve for x
   x = 17,138,501,086.47/150,501.30
6. Step 6: Final answer
   x = 113,876.10