Finding the Fourth Proportional to 150,100.79, 225,088.91 and 55,336.37

Step by Step Solution

1. Step 1: Write the proportion equation
   150,100.79 : 225,088.91 = 55,336.37 : x
2. Step 2: Convert to fraction form
   150,100.79/225,088.91 = 55,336.37/x
3. Step 3: Cross multiply
   150,100.79x = 225,088.91 × 55,336.37
4. Step 4: Simplify right side
   150,100.79x = 12,455,603,206.66
5. Step 5: Solve for x
   x = 12,455,603,206.66/150,100.79
6. Step 6: Final answer
   x = 82,981.60