Finding the Fourth Proportional to 119,479.86, 164,876.31 and 65,769.57

Step by Step Solution

1. Step 1: Write the proportion equation
   119,479.86 : 164,876.31 = 65,769.57 : x
2. Step 2: Convert to fraction form
   119,479.86/164,876.31 = 65,769.57/x
3. Step 3: Cross multiply
   119,479.86x = 164,876.31 × 65,769.57
4. Step 4: Simplify right side
   119,479.86x = 10,843,844,011.89
5. Step 5: Solve for x
   x = 10,843,844,011.89/119,479.86
6. Step 6: Final answer
   x = 90,758.76