Finding the Fourth Proportional to 108,108.25, 162,084.41 and 65,978.43

Step by Step Solution

1. Step 1: Write the proportion equation
   108,108.25 : 162,084.41 = 65,978.43 : x
2. Step 2: Convert to fraction form
   108,108.25/162,084.41 = 65,978.43/x
3. Step 3: Cross multiply
   108,108.25x = 162,084.41 × 65,978.43
4. Step 4: Simplify right side
   108,108.25x = 10,694,074,899.28
5. Step 5: Solve for x
   x = 10,694,074,899.28/108,108.25
6. Step 6: Final answer
   x = 98,920.06