Finding the Fourth Proportional to 152,446.42, 228,747.69 and 72,574.75

Step by Step Solution

1. Step 1: Write the proportion equation
   152,446.42 : 228,747.69 = 72,574.75 : x
2. Step 2: Convert to fraction form
   152,446.42/228,747.69 = 72,574.75/x
3. Step 3: Cross multiply
   152,446.42x = 228,747.69 × 72,574.75
4. Step 4: Simplify right side
   152,446.42x = 16,601,304,908.22
5. Step 5: Solve for x
   x = 16,601,304,908.22/152,446.42
6. Step 6: Final answer
   x = 108,899.28