Finding the Fourth Proportional to 118,985.37, 164,200.06 and 65,270.82

Step by Step Solution

1. Step 1: Write the proportion equation
   118,985.37 : 164,200.06 = 65,270.82 : x
2. Step 2: Convert to fraction form
   118,985.37/164,200.06 = 65,270.82/x
3. Step 3: Cross multiply
   118,985.37x = 164,200.06 × 65,270.82
4. Step 4: Simplify right side
   118,985.37x = 10,717,472,560.25
5. Step 5: Solve for x
   x = 10,717,472,560.25/118,985.37
6. Step 6: Final answer
   x = 90,073.87