Finding the Fourth Proportional to 191,061.28, 263,664.72 and 106,178.34

Step by Step Solution

1. Step 1: Write the proportion equation
   191,061.28 : 263,664.72 = 106,178.34 : x
2. Step 2: Convert to fraction form
   191,061.28/263,664.72 = 106,178.34/x
3. Step 3: Cross multiply
   191,061.28x = 263,664.72 × 106,178.34
4. Step 4: Simplify right side
   191,061.28x = 27,995,483,274.91
5. Step 5: Solve for x
   x = 27,995,483,274.91/191,061.28
6. Step 6: Final answer
   x = 146,526.20