Finding the Fourth Proportional to 100,667.11, 150,865.32 and 50,783.06

Step by Step Solution

1. Step 1: Write the proportion equation
   100,667.11 : 150,865.32 = 50,783.06 : x
2. Step 2: Convert to fraction form
   100,667.11/150,865.32 = 50,783.06/x
3. Step 3: Cross multiply
   100,667.11x = 150,865.32 × 50,783.06
4. Step 4: Simplify right side
   100,667.11x = 7,661,402,597.48
5. Step 5: Solve for x
   x = 7,661,402,597.48/100,667.11
6. Step 6: Final answer
   x = 76,106.31