Finding the Fourth Proportional to 68,380.50, 102,607.58 and 33,320.15

Step by Step Solution

1. Step 1: Write the proportion equation
   68,380.50 : 102,607.58 = 33,320.15 : x
2. Step 2: Convert to fraction form
   68,380.50/102,607.58 = 33,320.15/x
3. Step 3: Cross multiply
   68,380.50x = 102,607.58 × 33,320.15
4. Step 4: Simplify right side
   68,380.50x = 3,418,899,790.14
5. Step 5: Solve for x
   x = 3,418,899,790.14/68,380.50
6. Step 6: Final answer
   x = 49,998.17