Finding the Fourth Proportional to 116,315.24, 160,502.28 and 65,317.64

Step by Step Solution

1. Step 1: Write the proportion equation
   116,315.24 : 160,502.28 = 65,317.64 : x
2. Step 2: Convert to fraction form
   116,315.24/160,502.28 = 65,317.64/x
3. Step 3: Cross multiply
   116,315.24x = 160,502.28 × 65,317.64
4. Step 4: Simplify right side
   116,315.24x = 10,483,630,144.22
5. Step 5: Solve for x
   x = 10,483,630,144.22/116,315.24
6. Step 6: Final answer
   x = 90,131.18