Finding the Fourth Proportional to 191,311.32, 264,009.42 and 106,426.56

Step by Step Solution

1. Step 1: Write the proportion equation
   191,311.32 : 264,009.42 = 106,426.56 : x
2. Step 2: Convert to fraction form
   191,311.32/264,009.42 = 106,426.56/x
3. Step 3: Cross multiply
   191,311.32x = 264,009.42 × 106,426.56
4. Step 4: Simplify right side
   191,311.32x = 28,097,614,378.20
5. Step 5: Solve for x
   x = 28,097,614,378.20/191,311.32
6. Step 6: Final answer
   x = 146,868.54