Finding the Fourth Proportional to 191,386.69, 264,109.72 and 119,806.18

Step by Step Solution

1. Step 1: Write the proportion equation
   191,386.69 : 264,109.72 = 119,806.18 : x
2. Step 2: Convert to fraction form
   191,386.69/264,109.72 = 119,806.18/x
3. Step 3: Cross multiply
   191,386.69x = 264,109.72 × 119,806.18
4. Step 4: Simplify right side
   191,386.69x = 31,641,976,654.07
5. Step 5: Solve for x
   x = 31,641,976,654.07/191,386.69
6. Step 6: Final answer
   x = 165,330.08