Finding the Fourth Proportional to 110,255.72, 165,174.89 and 65,142.16

Step by Step Solution

1. Step 1: Write the proportion equation
   110,255.72 : 165,174.89 = 65,142.16 : x
2. Step 2: Convert to fraction form
   110,255.72/165,174.89 = 65,142.16/x
3. Step 3: Cross multiply
   110,255.72x = 165,174.89 × 65,142.16
4. Step 4: Simplify right side
   110,255.72x = 10,759,849,112.36
5. Step 5: Solve for x
   x = 10,759,849,112.36/110,255.72
6. Step 6: Final answer
   x = 97,589.94