Finding the Fourth Proportional to 111,683.17, 154,123.12 and 63,936.88

Step by Step Solution

1. Step 1: Write the proportion equation
   111,683.17 : 154,123.12 = 63,936.88 : x
2. Step 2: Convert to fraction form
   111,683.17/154,123.12 = 63,936.88/x
3. Step 3: Cross multiply
   111,683.17x = 154,123.12 × 63,936.88
4. Step 4: Simplify right side
   111,683.17x = 9,854,151,123.28
5. Step 5: Solve for x
   x = 9,854,151,123.28/111,683.17
6. Step 6: Final answer
   x = 88,233.09