Finding the Fourth Proportional to 118,973.66, 164,182.35 and 65,258.48

Step by Step Solution

1. Step 1: Write the proportion equation
   118,973.66 : 164,182.35 = 65,258.48 : x
2. Step 2: Convert to fraction form
   118,973.66/164,182.35 = 65,258.48/x
3. Step 3: Cross multiply
   118,973.66x = 164,182.35 × 65,258.48
4. Step 4: Simplify right side
   118,973.66x = 10,714,290,603.83
5. Step 5: Solve for x
   x = 10,714,290,603.83/118,973.66
6. Step 6: Final answer
   x = 90,055.99