Finding the Fourth Proportional to 149,948.56, 206,929.01 and 81,965.82

Step by Step Solution

1. Step 1: Write the proportion equation
   149,948.56 : 206,929.01 = 81,965.82 : x
2. Step 2: Convert to fraction form
   149,948.56/206,929.01 = 81,965.82/x
3. Step 3: Cross multiply
   149,948.56x = 206,929.01 × 81,965.82
4. Step 4: Simplify right side
   149,948.56x = 16,961,105,576.61
5. Step 5: Solve for x
   x = 16,961,105,576.61/149,948.56
6. Step 6: Final answer
   x = 113,112.83