Finding the Fourth Proportional to 119,501.42, 164,917.91 and 65,785.87

Step by Step Solution

1. Step 1: Write the proportion equation
   119,501.42 : 164,917.91 = 65,785.87 : x
2. Step 2: Convert to fraction form
   119,501.42/164,917.91 = 65,785.87/x
3. Step 3: Cross multiply
   119,501.42x = 164,917.91 × 65,785.87
4. Step 4: Simplify right side
   119,501.42x = 10,849,268,187.93
5. Step 5: Solve for x
   x = 10,849,268,187.93/119,501.42
6. Step 6: Final answer
   x = 90,787.78