Finding the Fourth Proportional to 120,146.82, 165,798.46 and 65,700.30

Step by Step Solution

1. Step 1: Write the proportion equation
   120,146.82 : 165,798.46 = 65,700.30 : x
2. Step 2: Convert to fraction form
   120,146.82/165,798.46 = 65,700.30/x
3. Step 3: Cross multiply
   120,146.82x = 165,798.46 × 65,700.30
4. Step 4: Simplify right side
   120,146.82x = 10,893,008,561.54
5. Step 5: Solve for x
   x = 10,893,008,561.54/120,146.82
6. Step 6: Final answer
   x = 90,664.14