Finding the Fourth Proportional to 152,144.49, 228,150.15 and 72,205.37

Step by Step Solution

1. Step 1: Write the proportion equation
   152,144.49 : 228,150.15 = 72,205.37 : x
2. Step 2: Convert to fraction form
   152,144.49/228,150.15 = 72,205.37/x
3. Step 3: Cross multiply
   152,144.49x = 228,150.15 × 72,205.37
4. Step 4: Simplify right side
   152,144.49x = 16,473,664,855.55
5. Step 5: Solve for x
   x = 16,473,664,855.55/152,144.49
6. Step 6: Final answer
   x = 108,276.45