Finding the Fourth Proportional to 107,474.10, 161,021.33 and 65,268.06

Step by Step Solution

1. Step 1: Write the proportion equation
   107,474.10 : 161,021.33 = 65,268.06 : x
2. Step 2: Convert to fraction form
   107,474.10/161,021.33 = 65,268.06/x
3. Step 3: Cross multiply
   107,474.10x = 161,021.33 × 65,268.06
4. Step 4: Simplify right side
   107,474.10x = 10,509,549,501.38
5. Step 5: Solve for x
   x = 10,509,549,501.38/107,474.10
6. Step 6: Final answer
   x = 97,786.81