Finding the Fourth Proportional to 149,356.32, 206,111.61 and 82,288.32

Step by Step Solution

1. Step 1: Write the proportion equation
   149,356.32 : 206,111.61 = 82,288.32 : x
2. Step 2: Convert to fraction form
   149,356.32/206,111.61 = 82,288.32/x
3. Step 3: Cross multiply
   149,356.32x = 206,111.61 × 82,288.32
4. Step 4: Simplify right side
   149,356.32x = 16,960,578,119.40
5. Step 5: Solve for x
   x = 16,960,578,119.40/149,356.32
6. Step 6: Final answer
   x = 113,557.82