Finding the Fourth Proportional to 72,896.73, 109,325.48 and 30,777.09

Step by Step Solution

1. Step 1: Write the proportion equation
   72,896.73 : 109,325.48 = 30,777.09 : x
2. Step 2: Convert to fraction form
   72,896.73/109,325.48 = 30,777.09/x
3. Step 3: Cross multiply
   72,896.73x = 109,325.48 × 30,777.09
4. Step 4: Simplify right side
   72,896.73x = 3,364,719,983.37
5. Step 5: Solve for x
   x = 3,364,719,983.37/72,896.73
6. Step 6: Final answer
   x = 46,157.35