Finding the Fourth Proportional to 103,249.38, 142,498.72 and 60,243.06

Step by Step Solution

1. Step 1: Write the proportion equation
   103,249.38 : 142,498.72 = 60,243.06 : x
2. Step 2: Convert to fraction form
   103,249.38/142,498.72 = 60,243.06/x
3. Step 3: Cross multiply
   103,249.38x = 142,498.72 × 60,243.06
4. Step 4: Simplify right side
   103,249.38x = 8,584,558,938.88
5. Step 5: Solve for x
   x = 8,584,558,938.88/103,249.38
6. Step 6: Final answer
   x = 83,143.93