Finding the Fourth Proportional to 118,887.48, 164,064.87 and 65,174.45

Step by Step Solution

1. Step 1: Write the proportion equation
   118,887.48 : 164,064.87 = 65,174.45 : x
2. Step 2: Convert to fraction form
   118,887.48/164,064.87 = 65,174.45/x
3. Step 3: Cross multiply
   118,887.48x = 164,064.87 × 65,174.45
4. Step 4: Simplify right side
   118,887.48x = 10,692,836,846.25
5. Step 5: Solve for x
   x = 10,692,836,846.25/118,887.48
6. Step 6: Final answer
   x = 89,940.82