Finding the Fourth Proportional to 150,068.05, 207,086.18 and 82,071.79

Step by Step Solution

1. Step 1: Write the proportion equation
   150,068.05 : 207,086.18 = 82,071.79 : x
2. Step 2: Convert to fraction form
   150,068.05/207,086.18 = 82,071.79/x
3. Step 3: Cross multiply
   150,068.05x = 207,086.18 × 82,071.79
4. Step 4: Simplify right side
   150,068.05x = 16,995,932,548.79
5. Step 5: Solve for x
   x = 16,995,932,548.79/150,068.05
6. Step 6: Final answer
   x = 113,254.84