Finding the Fourth Proportional to 115,538.37, 173,164.41 and 65,466.78

Step by Step Solution

1. Step 1: Write the proportion equation
   115,538.37 : 173,164.41 = 65,466.78 : x
2. Step 2: Convert to fraction form
   115,538.37/173,164.41 = 65,466.78/x
3. Step 3: Cross multiply
   115,538.37x = 173,164.41 × 65,466.78
4. Step 4: Simplify right side
   115,538.37x = 11,336,516,333.30
5. Step 5: Solve for x
   x = 11,336,516,333.30/115,538.37
6. Step 6: Final answer
   x = 98,119.06