Finding the Fourth Proportional to 130,057.30, 194,940.15 and 55,164.70

Step by Step Solution

1. Step 1: Write the proportion equation
   130,057.30 : 194,940.15 = 55,164.70 : x
2. Step 2: Convert to fraction form
   130,057.30/194,940.15 = 55,164.70/x
3. Step 3: Cross multiply
   130,057.30x = 194,940.15 × 55,164.70
4. Step 4: Simplify right side
   130,057.30x = 10,753,814,892.71
5. Step 5: Solve for x
   x = 10,753,814,892.71/130,057.30
6. Step 6: Final answer
   x = 82,685.21