Finding the Fourth Proportional to 100,663.59, 151,020.09 and 50,086.48

Step by Step Solution

1. Step 1: Write the proportion equation
   100,663.59 : 151,020.09 = 50,086.48 : x
2. Step 2: Convert to fraction form
   100,663.59/151,020.09 = 50,086.48/x
3. Step 3: Cross multiply
   100,663.59x = 151,020.09 × 50,086.48
4. Step 4: Simplify right side
   100,663.59x = 7,564,064,717.38
5. Step 5: Solve for x
   x = 7,564,064,717.38/100,663.59
6. Step 6: Final answer
   x = 75,142.01