Finding the Fourth Proportional to 191,658.42, 264,491.49 and 111,091.62

Step by Step Solution

1. Step 1: Write the proportion equation
   191,658.42 : 264,491.49 = 111,091.62 : x
2. Step 2: Convert to fraction form
   191,658.42/264,491.49 = 111,091.62/x
3. Step 3: Cross multiply
   191,658.42x = 264,491.49 × 111,091.62
4. Step 4: Simplify right side
   191,658.42x = 29,382,788,100.31
5. Step 5: Solve for x
   x = 29,382,788,100.31/191,658.42
6. Step 6: Final answer
   x = 153,308.10