Finding the Fourth Proportional to 106,168.72, 146,463.56 and 63,653.52

Step by Step Solution

1. Step 1: Write the proportion equation
   106,168.72 : 146,463.56 = 63,653.52 : x
2. Step 2: Convert to fraction form
   106,168.72/146,463.56 = 63,653.52/x
3. Step 3: Cross multiply
   106,168.72x = 146,463.56 × 63,653.52
4. Step 4: Simplify right side
   106,168.72x = 9,322,921,145.73
5. Step 5: Solve for x
   x = 9,322,921,145.73/106,168.72
6. Step 6: Final answer
   x = 87,812.32