Finding the Fourth Proportional to 129,936.69, 194,925.42 and 55,057.32

Step by Step Solution

1. Step 1: Write the proportion equation
   129,936.69 : 194,925.42 = 55,057.32 : x
2. Step 2: Convert to fraction form
   129,936.69/194,925.42 = 55,057.32/x
3. Step 3: Cross multiply
   129,936.69x = 194,925.42 × 55,057.32
4. Step 4: Simplify right side
   129,936.69x = 10,732,071,225.07
5. Step 5: Solve for x
   x = 10,732,071,225.07/129,936.69
6. Step 6: Final answer
   x = 82,594.62