Finding the Fourth Proportional to 118,852.06, 164,016.08 and 65,139.07

Step by Step Solution

1. Step 1: Write the proportion equation
   118,852.06 : 164,016.08 = 65,139.07 : x
2. Step 2: Convert to fraction form
   118,852.06/164,016.08 = 65,139.07/x
3. Step 3: Cross multiply
   118,852.06x = 164,016.08 × 65,139.07
4. Step 4: Simplify right side
   118,852.06x = 10,683,854,916.25
5. Step 5: Solve for x
   x = 10,683,854,916.25/118,852.06
6. Step 6: Final answer
   x = 89,892.05