Finding the Fourth Proportional to 110,979.50, 153,151.72 and 60,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,979.50 : 153,151.72 = 60,678.50 : x
2. Step 2: Convert to fraction form
   110,979.50/153,151.72 = 60,678.50/x
3. Step 3: Cross multiply
   110,979.50x = 153,151.72 × 60,678.50
4. Step 4: Simplify right side
   110,979.50x = 9,293,016,642.02
5. Step 5: Solve for x
   x = 9,293,016,642.02/110,979.50
6. Step 6: Final answer
   x = 83,736.34