Finding the Fourth Proportional to 48,741.48, 73,097.33 and 20,661

Step by Step Solution

1. Step 1: Write the proportion equation
   48,741.48 : 73,097.33 = 20,661 : x
2. Step 2: Convert to fraction form
   48,741.48/73,097.33 = 20,661/x
3. Step 3: Cross multiply
   48,741.48x = 73,097.33 × 20,661
4. Step 4: Simplify right side
   48,741.48x = 1,510,263,831.83
5. Step 5: Solve for x
   x = 1,510,263,831.83/48,741.48
6. Step 6: Final answer
   x = 30,985.19