Finding the Fourth Proportional to 102,014.48, 141,007.56 and 73,917.20

Step by Step Solution

1. Step 1: Write the proportion equation
   102,014.48 : 141,007.56 = 73,917.20 : x
2. Step 2: Convert to fraction form
   102,014.48/141,007.56 = 73,917.20/x
3. Step 3: Cross multiply
   102,014.48x = 141,007.56 × 73,917.20
4. Step 4: Simplify right side
   102,014.48x = 10,422,884,014.03
5. Step 5: Solve for x
   x = 10,422,884,014.03/102,014.48
6. Step 6: Final answer
   x = 102,170.63