Finding the Fourth Proportional to 111,426.87, 153,771.17 and 68,384.79

Step by Step Solution

1. Step 1: Write the proportion equation
   111,426.87 : 153,771.17 = 68,384.79 : x
2. Step 2: Convert to fraction form
   111,426.87/153,771.17 = 68,384.79/x
3. Step 3: Cross multiply
   111,426.87x = 153,771.17 × 68,384.79
4. Step 4: Simplify right side
   111,426.87x = 10,515,608,826.58
5. Step 5: Solve for x
   x = 10,515,608,826.58/111,426.87
6. Step 6: Final answer
   x = 94,372.29