Finding the Fourth Proportional to 111,990.22, 154,535.27 and 68,962.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,990.22 : 154,535.27 = 68,962.82 : x
2. Step 2: Convert to fraction form
   111,990.22/154,535.27 = 68,962.82/x
3. Step 3: Cross multiply
   111,990.22x = 154,535.27 × 68,962.82
4. Step 4: Simplify right side
   111,990.22x = 10,657,186,891.17
5. Step 5: Solve for x
   x = 10,657,186,891.17/111,990.22
6. Step 6: Final answer
   x = 95,161.77