Finding the Fourth Proportional to 149,920.32, 206,881.92 and 82,848

Step by Step Solution

1. Step 1: Write the proportion equation
   149,920.32 : 206,881.92 = 82,848 : x
2. Step 2: Convert to fraction form
   149,920.32/206,881.92 = 82,848/x
3. Step 3: Cross multiply
   149,920.32x = 206,881.92 × 82,848
4. Step 4: Simplify right side
   149,920.32x = 17,139,753,308.16
5. Step 5: Solve for x
   x = 17,139,753,308.16/149,920.32
6. Step 6: Final answer
   x = 114,325.75