Finding the Fourth Proportional to 117,360.72, 161,955.72 and 67,058.64

Step by Step Solution

1. Step 1: Write the proportion equation
   117,360.72 : 161,955.72 = 67,058.64 : x
2. Step 2: Convert to fraction form
   117,360.72/161,955.72 = 67,058.64/x
3. Step 3: Cross multiply
   117,360.72x = 161,955.72 × 67,058.64
4. Step 4: Simplify right side
   117,360.72x = 10,860,530,323.42
5. Step 5: Solve for x
   x = 10,860,530,323.42/117,360.72
6. Step 6: Final answer
   x = 92,539.74