Finding the Fourth Proportional to 118,852.32, 164,017.47 and 65,136.18

Step by Step Solution

1. Step 1: Write the proportion equation
   118,852.32 : 164,017.47 = 65,136.18 : x
2. Step 2: Convert to fraction form
   118,852.32/164,017.47 = 65,136.18/x
3. Step 3: Cross multiply
   118,852.32x = 164,017.47 × 65,136.18
4. Step 4: Simplify right side
   118,852.32x = 10,683,471,449.06
5. Step 5: Solve for x
   x = 10,683,471,449.06/118,852.32
6. Step 6: Final answer
   x = 89,888.62