Finding the Fourth Proportional to 152,448.53, 228,550.69 and 72,446.35

Step by Step Solution

1. Step 1: Write the proportion equation
   152,448.53 : 228,550.69 = 72,446.35 : x
2. Step 2: Convert to fraction form
   152,448.53/228,550.69 = 72,446.35/x
3. Step 3: Cross multiply
   152,448.53x = 228,550.69 × 72,446.35
4. Step 4: Simplify right side
   152,448.53x = 16,557,662,918.25
5. Step 5: Solve for x
   x = 16,557,662,918.25/152,448.53
6. Step 6: Final answer
   x = 108,611.50