Finding the Fourth Proportional to 101,273.28, 139,698.72 and 60,959.04

Step by Step Solution

1. Step 1: Write the proportion equation
   101,273.28 : 139,698.72 = 60,959.04 : x
2. Step 2: Convert to fraction form
   101,273.28/139,698.72 = 60,959.04/x
3. Step 3: Cross multiply
   101,273.28x = 139,698.72 × 60,959.04
4. Step 4: Simplify right side
   101,273.28x = 8,515,899,860.43
5. Step 5: Solve for x
   x = 8,515,899,860.43/101,273.28
6. Step 6: Final answer
   x = 84,088.32