Finding the Fourth Proportional to 48,105.91, 72,119.97 and 20,047.10

Step by Step Solution

1. Step 1: Write the proportion equation
   48,105.91 : 72,119.97 = 20,047.10 : x
2. Step 2: Convert to fraction form
   48,105.91/72,119.97 = 20,047.10/x
3. Step 3: Cross multiply
   48,105.91x = 72,119.97 × 20,047.10
4. Step 4: Simplify right side
   48,105.91x = 1,445,796,250.59
5. Step 5: Solve for x
   x = 1,445,796,250.59/48,105.91
6. Step 6: Final answer
   x = 30,054.44