Finding the Fourth Proportional to 111,316.72, 153,632.82 and 68,888.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,316.72 : 153,632.82 = 68,888.92 : x
2. Step 2: Convert to fraction form
   111,316.72/153,632.82 = 68,888.92/x
3. Step 3: Cross multiply
   111,316.72x = 153,632.82 × 68,888.92
4. Step 4: Simplify right side
   111,316.72x = 10,583,599,046.35
5. Step 5: Solve for x
   x = 10,583,599,046.35/111,316.72
6. Step 6: Final answer
   x = 95,076.45