Finding the Fourth Proportional to 101,100.78, 151,674.50 and 30,021.82

Step by Step Solution

1. Step 1: Write the proportion equation
   101,100.78 : 151,674.50 = 30,021.82 : x
2. Step 2: Convert to fraction form
   101,100.78/151,674.50 = 30,021.82/x
3. Step 3: Cross multiply
   101,100.78x = 151,674.50 × 30,021.82
4. Step 4: Simplify right side
   101,100.78x = 4,553,544,537.59
5. Step 5: Solve for x
   x = 4,553,544,537.59/101,100.78
6. Step 6: Final answer
   x = 45,039.66