Finding the Fourth Proportional to 129,103.34, 193,729.83 and 54,217.01

Step by Step Solution

1. Step 1: Write the proportion equation
   129,103.34 : 193,729.83 = 54,217.01 : x
2. Step 2: Convert to fraction form
   129,103.34/193,729.83 = 54,217.01/x
3. Step 3: Cross multiply
   129,103.34x = 193,729.83 × 54,217.01
4. Step 4: Simplify right side
   129,103.34x = 10,503,452,411.42
5. Step 5: Solve for x
   x = 10,503,452,411.42/129,103.34
6. Step 6: Final answer
   x = 81,356.94