Finding the Fourth Proportional to 111,425.88, 153,769.78 and 68,383.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,425.88 : 153,769.78 = 68,383.78 : x
2. Step 2: Convert to fraction form
   111,425.88/153,769.78 = 68,383.78/x
3. Step 3: Cross multiply
   111,425.88x = 153,769.78 × 68,383.78
4. Step 4: Simplify right side
   111,425.88x = 10,515,358,806.17
5. Step 5: Solve for x
   x = 10,515,358,806.17/111,425.88
6. Step 6: Final answer
   x = 94,370.88