Finding the Fourth Proportional to 72,734.62, 109,028.84 and 30,624.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,734.62 : 109,028.84 = 30,624.98 : x
2. Step 2: Convert to fraction form
   72,734.62/109,028.84 = 30,624.98/x
3. Step 3: Cross multiply
   72,734.62x = 109,028.84 × 30,624.98
4. Step 4: Simplify right side
   72,734.62x = 3,339,006,044.42
5. Step 5: Solve for x
   x = 3,339,006,044.42/72,734.62
6. Step 6: Final answer
   x = 45,906.70