Finding the Fourth Proportional to 109,280.81, 163,930.50 and 30,395.04

Step by Step Solution

1. Step 1: Write the proportion equation
   109,280.81 : 163,930.50 = 30,395.04 : x
2. Step 2: Convert to fraction form
   109,280.81/163,930.50 = 30,395.04/x
3. Step 3: Cross multiply
   109,280.81x = 163,930.50 × 30,395.04
4. Step 4: Simplify right side
   109,280.81x = 4,982,674,104.72
5. Step 5: Solve for x
   x = 4,982,674,104.72/109,280.81
6. Step 6: Final answer
   x = 45,595.14