Finding the Fourth Proportional to 118,729.72, 163,845.30 and 65,014.12

Step by Step Solution

1. Step 1: Write the proportion equation
   118,729.72 : 163,845.30 = 65,014.12 : x
2. Step 2: Convert to fraction form
   118,729.72/163,845.30 = 65,014.12/x
3. Step 3: Cross multiply
   118,729.72x = 163,845.30 × 65,014.12
4. Step 4: Simplify right side
   118,729.72x = 10,652,257,995.64
5. Step 5: Solve for x
   x = 10,652,257,995.64/118,729.72
6. Step 6: Final answer
   x = 89,718.55