Finding the Fourth Proportional to 72,295.02, 108,406.15 and 30,164.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,295.02 : 108,406.15 = 30,164.18 : x
2. Step 2: Convert to fraction form
   72,295.02/108,406.15 = 30,164.18/x
3. Step 3: Cross multiply
   72,295.02x = 108,406.15 × 30,164.18
4. Step 4: Simplify right side
   72,295.02x = 3,269,982,621.71
5. Step 5: Solve for x
   x = 3,269,982,621.71/72,295.02
6. Step 6: Final answer
   x = 45,231.09