Finding the Fourth Proportional to 68,978.84, 95,188.09 and 42,166.22

Step by Step Solution

1. Step 1: Write the proportion equation
   68,978.84 : 95,188.09 = 42,166.22 : x
2. Step 2: Convert to fraction form
   68,978.84/95,188.09 = 42,166.22/x
3. Step 3: Cross multiply
   68,978.84x = 95,188.09 × 42,166.22
4. Step 4: Simplify right side
   68,978.84x = 4,013,721,944.32
5. Step 5: Solve for x
   x = 4,013,721,944.32/68,978.84
6. Step 6: Final answer
   x = 58,187.73