Finding the Fourth Proportional to 150,146.88, 225,309.06 and 55,443.39

Step by Step Solution

1. Step 1: Write the proportion equation
   150,146.88 : 225,309.06 = 55,443.39 : x
2. Step 2: Convert to fraction form
   150,146.88/225,309.06 = 55,443.39/x
3. Step 3: Cross multiply
   150,146.88x = 225,309.06 × 55,443.39
4. Step 4: Simplify right side
   150,146.88x = 12,491,898,084.11
5. Step 5: Solve for x
   x = 12,491,898,084.11/150,146.88
6. Step 6: Final answer
   x = 83,197.85