Finding the Fourth Proportional to 100,131.99, 150,212.56 and 30,016.77

Step by Step Solution

1. Step 1: Write the proportion equation
   100,131.99 : 150,212.56 = 30,016.77 : x
2. Step 2: Convert to fraction form
   100,131.99/150,212.56 = 30,016.77/x
3. Step 3: Cross multiply
   100,131.99x = 150,212.56 × 30,016.77
4. Step 4: Simplify right side
   100,131.99x = 4,508,895,864.63
5. Step 5: Solve for x
   x = 4,508,895,864.63/100,131.99
6. Step 6: Final answer
   x = 45,029.52