Finding the Fourth Proportional to 107,580.10, 161,222.52 and 68,066.47

Step by Step Solution

1. Step 1: Write the proportion equation
   107,580.10 : 161,222.52 = 68,066.47 : x
2. Step 2: Convert to fraction form
   107,580.10/161,222.52 = 68,066.47/x
3. Step 3: Cross multiply
   107,580.10x = 161,222.52 × 68,066.47
4. Step 4: Simplify right side
   107,580.10x = 10,973,847,480.57
5. Step 5: Solve for x
   x = 10,973,847,480.57/107,580.10
6. Step 6: Final answer
   x = 102,006.30