Finding the Fourth Proportional to 111,305.07, 153,560.70 and 67,682.61

Step by Step Solution

1. Step 1: Write the proportion equation
   111,305.07 : 153,560.70 = 67,682.61 : x
2. Step 2: Convert to fraction form
   111,305.07/153,560.70 = 67,682.61/x
3. Step 3: Cross multiply
   111,305.07x = 153,560.70 × 67,682.61
4. Step 4: Simplify right side
   111,305.07x = 10,393,388,969.43
5. Step 5: Solve for x
   x = 10,393,388,969.43/111,305.07
6. Step 6: Final answer
   x = 93,377.50