Finding the Fourth Proportional to 118,960.72, 164,165.76 and 65,244.64

Step by Step Solution

1. Step 1: Write the proportion equation
   118,960.72 : 164,165.76 = 65,244.64 : x
2. Step 2: Convert to fraction form
   118,960.72/164,165.76 = 65,244.64/x
3. Step 3: Cross multiply
   118,960.72x = 164,165.76 × 65,244.64
4. Step 4: Simplify right side
   118,960.72x = 10,710,935,911.53
5. Step 5: Solve for x
   x = 10,710,935,911.53/118,960.72
6. Step 6: Final answer
   x = 90,037.58