Finding the Fourth Proportional to 100,662.59, 151,018.59 and 50,085.48

Step by Step Solution

1. Step 1: Write the proportion equation
   100,662.59 : 151,018.59 = 50,085.48 : x
2. Step 2: Convert to fraction form
   100,662.59/151,018.59 = 50,085.48/x
3. Step 3: Cross multiply
   100,662.59x = 151,018.59 × 50,085.48
4. Step 4: Simplify right side
   100,662.59x = 7,563,838,318.65
5. Step 5: Solve for x
   x = 7,563,838,318.65/100,662.59
6. Step 6: Final answer
   x = 75,140.51