Finding the Fourth Proportional to 105,500.68, 158,141.67 and 65,967.01

Step by Step Solution

1. Step 1: Write the proportion equation
   105,500.68 : 158,141.67 = 65,967.01 : x
2. Step 2: Convert to fraction form
   105,500.68/158,141.67 = 65,967.01/x
3. Step 3: Cross multiply
   105,500.68x = 158,141.67 × 65,967.01
4. Step 4: Simplify right side
   105,500.68x = 10,432,133,126.31
5. Step 5: Solve for x
   x = 10,432,133,126.31/105,500.68
6. Step 6: Final answer
   x = 98,882.14