Finding the Fourth Proportional to 119,606.15, 165,065.78 and 65,900.79

Step by Step Solution

1. Step 1: Write the proportion equation
   119,606.15 : 165,065.78 = 65,900.79 : x
2. Step 2: Convert to fraction form
   119,606.15/165,065.78 = 65,900.79/x
3. Step 3: Cross multiply
   119,606.15x = 165,065.78 × 65,900.79
4. Step 4: Simplify right side
   119,606.15x = 10,877,965,468.72
5. Step 5: Solve for x
   x = 10,877,965,468.72/119,606.15
6. Step 6: Final answer
   x = 90,948.21