Finding the Fourth Proportional to 119,164.35, 164,447.78 and 65,450.01

Step by Step Solution

1. Step 1: Write the proportion equation
   119,164.35 : 164,447.78 = 65,450.01 : x
2. Step 2: Convert to fraction form
   119,164.35/164,447.78 = 65,450.01/x
3. Step 3: Cross multiply
   119,164.35x = 164,447.78 × 65,450.01
4. Step 4: Simplify right side
   119,164.35x = 10,763,108,518.23
5. Step 5: Solve for x
   x = 10,763,108,518.23/119,164.35
6. Step 6: Final answer
   x = 90,321.55