Finding the Fourth Proportional to 191,581.55, 264,382.38 and 111,055.71

Step by Step Solution

1. Step 1: Write the proportion equation
   191,581.55 : 264,382.38 = 111,055.71 : x
2. Step 2: Convert to fraction form
   191,581.55/264,382.38 = 111,055.71/x
3. Step 3: Cross multiply
   191,581.55x = 264,382.38 × 111,055.71
4. Step 4: Simplify right side
   191,581.55x = 29,361,172,922.39
5. Step 5: Solve for x
   x = 29,361,172,922.39/191,581.55
6. Step 6: Final answer
   x = 153,256.79