Finding the Fourth Proportional to 94,662.06, 141,968.78 and 28,086.43

Step by Step Solution

1. Step 1: Write the proportion equation
   94,662.06 : 141,968.78 = 28,086.43 : x
2. Step 2: Convert to fraction form
   94,662.06/141,968.78 = 28,086.43/x
3. Step 3: Cross multiply
   94,662.06x = 141,968.78 × 28,086.43
4. Step 4: Simplify right side
   94,662.06x = 3,987,396,201.66
5. Step 5: Solve for x
   x = 3,987,396,201.66/94,662.06
6. Step 6: Final answer
   x = 42,122.43