Finding the Fourth Proportional to 72,942.08, 109,386.78 and 30,825.41

Step by Step Solution

1. Step 1: Write the proportion equation
   72,942.08 : 109,386.78 = 30,825.41 : x
2. Step 2: Convert to fraction form
   72,942.08/109,386.78 = 30,825.41/x
3. Step 3: Cross multiply
   72,942.08x = 109,386.78 × 30,825.41
4. Step 4: Simplify right side
   72,942.08x = 3,371,892,381.55
5. Step 5: Solve for x
   x = 3,371,892,381.55/72,942.08
6. Step 6: Final answer
   x = 46,226.99