Finding the Fourth Proportional to 189,164.43, 261,033.83 and 106,390.82

Step by Step Solution

1. Step 1: Write the proportion equation
   189,164.43 : 261,033.83 = 106,390.82 : x
2. Step 2: Convert to fraction form
   189,164.43/261,033.83 = 106,390.82/x
3. Step 3: Cross multiply
   189,164.43x = 261,033.83 × 106,390.82
4. Step 4: Simplify right side
   189,164.43x = 27,771,601,384.32
5. Step 5: Solve for x
   x = 27,771,601,384.32/189,164.43
6. Step 6: Final answer
   x = 146,811.96