Finding the Fourth Proportional to 119,667.71, 165,196.01 and 85,234.61

Step by Step Solution

1. Step 1: Write the proportion equation
   119,667.71 : 165,196.01 = 85,234.61 : x
2. Step 2: Convert to fraction form
   119,667.71/165,196.01 = 85,234.61/x
3. Step 3: Cross multiply
   119,667.71x = 165,196.01 × 85,234.61
4. Step 4: Simplify right side
   119,667.71x = 14,080,417,527.51
5. Step 5: Solve for x
   x = 14,080,417,527.51/119,667.71
6. Step 6: Final answer
   x = 117,662.63