Finding the Fourth Proportional to 129,941.33, 194,989.76 and 56,069.33

Step by Step Solution

1. Step 1: Write the proportion equation
   129,941.33 : 194,989.76 = 56,069.33 : x
2. Step 2: Convert to fraction form
   129,941.33/194,989.76 = 56,069.33/x
3. Step 3: Cross multiply
   129,941.33x = 194,989.76 × 56,069.33
4. Step 4: Simplify right side
   129,941.33x = 10,932,944,919.71
5. Step 5: Solve for x
   x = 10,932,944,919.71/129,941.33
6. Step 6: Final answer
   x = 84,137.55