Finding the Fourth Proportional to 150,665.62, 225,991.12 and 55,914.28

Step by Step Solution

1. Step 1: Write the proportion equation
   150,665.62 : 225,991.12 = 55,914.28 : x
2. Step 2: Convert to fraction form
   150,665.62/225,991.12 = 55,914.28/x
3. Step 3: Cross multiply
   150,665.62x = 225,991.12 × 55,914.28
4. Step 4: Simplify right side
   150,665.62x = 12,636,130,761.19
5. Step 5: Solve for x
   x = 12,636,130,761.19/150,665.62
6. Step 6: Final answer
   x = 83,868.71