Finding the Fourth Proportional to 191,061.72, 286,198.56 and 111,935.88

Step by Step Solution

1. Step 1: Write the proportion equation
   191,061.72 : 286,198.56 = 111,935.88 : x
2. Step 2: Convert to fraction form
   191,061.72/286,198.56 = 111,935.88/x
3. Step 3: Cross multiply
   191,061.72x = 286,198.56 × 111,935.88
4. Step 4: Simplify right side
   191,061.72x = 32,035,887,668.33
5. Step 5: Solve for x
   x = 32,035,887,668.33/191,061.72
6. Step 6: Final answer
   x = 167,672.98