Finding the Fourth Proportional to 191,682.01, 264,522.96 and 105,644.14

Step by Step Solution

1. Step 1: Write the proportion equation
   191,682.01 : 264,522.96 = 105,644.14 : x
2. Step 2: Convert to fraction form
   191,682.01/264,522.96 = 105,644.14/x
3. Step 3: Cross multiply
   191,682.01x = 264,522.96 × 105,644.14
4. Step 4: Simplify right side
   191,682.01x = 27,945,300,619.45
5. Step 5: Solve for x
   x = 27,945,300,619.45/191,682.01
6. Step 6: Final answer
   x = 145,789.90