Finding the Fourth Proportional to 106,663.30, 159,764.55 and 88,231.30

Step by Step Solution

1. Step 1: Write the proportion equation
   106,663.30 : 159,764.55 = 88,231.30 : x
2. Step 2: Convert to fraction form
   106,663.30/159,764.55 = 88,231.30/x
3. Step 3: Cross multiply
   106,663.30x = 159,764.55 × 88,231.30
4. Step 4: Simplify right side
   106,663.30x = 14,096,233,940.42
5. Step 5: Solve for x
   x = 14,096,233,940.42/106,663.30
6. Step 6: Final answer
   x = 132,156.36