Finding the Fourth Proportional to 150,300.18, 225,465.30 and 55,555.20

Step by Step Solution

1. Step 1: Write the proportion equation
   150,300.18 : 225,465.30 = 55,555.20 : x
2. Step 2: Convert to fraction form
   150,300.18/225,465.30 = 55,555.20/x
3. Step 3: Cross multiply
   150,300.18x = 225,465.30 × 55,555.20
4. Step 4: Simplify right side
   150,300.18x = 12,525,769,834.56
5. Step 5: Solve for x
   x = 12,525,769,834.56/150,300.18
6. Step 6: Final answer
   x = 83,338.36