Finding the Fourth Proportional to 109,796.69, 151,460.91 and 66,789.33

Step by Step Solution

1. Step 1: Write the proportion equation
   109,796.69 : 151,460.91 = 66,789.33 : x
2. Step 2: Convert to fraction form
   109,796.69/151,460.91 = 66,789.33/x
3. Step 3: Cross multiply
   109,796.69x = 151,460.91 × 66,789.33
4. Step 4: Simplify right side
   109,796.69x = 10,115,972,700.09
5. Step 5: Solve for x
   x = 10,115,972,700.09/109,796.69
6. Step 6: Final answer
   x = 92,133.68