Finding the Fourth Proportional to 105,967.56, 146,235.72 and 63,526.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,967.56 : 146,235.72 = 63,526.08 : x
2. Step 2: Convert to fraction form
   105,967.56/146,235.72 = 63,526.08/x
3. Step 3: Cross multiply
   105,967.56x = 146,235.72 × 63,526.08
4. Step 4: Simplify right side
   105,967.56x = 9,289,782,047.58
5. Step 5: Solve for x
   x = 9,289,782,047.58/105,967.56
6. Step 6: Final answer
   x = 87,666.28