Finding the Fourth Proportional to 151,577.72, 227,172 and 72,573.56

Step by Step Solution

1. Step 1: Write the proportion equation
   151,577.72 : 227,172 = 72,573.56 : x
2. Step 2: Convert to fraction form
   151,577.72/227,172 = 72,573.56/x
3. Step 3: Cross multiply
   151,577.72x = 227,172 × 72,573.56
4. Step 4: Simplify right side
   151,577.72x = 16,486,680,772.32
5. Step 5: Solve for x
   x = 16,486,680,772.32/151,577.72
6. Step 6: Final answer
   x = 108,767.18