Finding the Fourth Proportional to 151,577.76, 227,297.52 and 72,729.12

Step by Step Solution

1. Step 1: Write the proportion equation
   151,577.76 : 227,297.52 = 72,729.12 : x
2. Step 2: Convert to fraction form
   151,577.76/227,297.52 = 72,729.12/x
3. Step 3: Cross multiply
   151,577.76x = 227,297.52 × 72,729.12
4. Step 4: Simplify right side
   151,577.76x = 16,531,148,607.78
5. Step 5: Solve for x
   x = 16,531,148,607.78/151,577.76
6. Step 6: Final answer
   x = 109,060.52