Finding the Fourth Proportional to 118,886.04, 164,064.06 and 65,169.90

Step by Step Solution

1. Step 1: Write the proportion equation
   118,886.04 : 164,064.06 = 65,169.90 : x
2. Step 2: Convert to fraction form
   118,886.04/164,064.06 = 65,169.90/x
3. Step 3: Cross multiply
   118,886.04x = 164,064.06 × 65,169.90
4. Step 4: Simplify right side
   118,886.04x = 10,692,038,383.79
5. Step 5: Solve for x
   x = 10,692,038,383.79/118,886.04
6. Step 6: Final answer
   x = 89,935.19