Finding the Fourth Proportional to 119,485.86, 164,889.23 and 65,769.72

Step by Step Solution

1. Step 1: Write the proportion equation
   119,485.86 : 164,889.23 = 65,769.72 : x
2. Step 2: Convert to fraction form
   119,485.86/164,889.23 = 65,769.72/x
3. Step 3: Cross multiply
   119,485.86x = 164,889.23 × 65,769.72
4. Step 4: Simplify right side
   119,485.86x = 10,844,718,159.27
5. Step 5: Solve for x
   x = 10,844,718,159.27/119,485.86
6. Step 6: Final answer
   x = 90,761.52