Finding the Fourth Proportional to 119,535.91, 164,959.55 and 65,820.79

Step by Step Solution

1. Step 1: Write the proportion equation
   119,535.91 : 164,959.55 = 65,820.79 : x
2. Step 2: Convert to fraction form
   119,535.91/164,959.55 = 65,820.79/x
3. Step 3: Cross multiply
   119,535.91x = 164,959.55 × 65,820.79
4. Step 4: Simplify right side
   119,535.91x = 10,857,767,899.04
5. Step 5: Solve for x
   x = 10,857,767,899.04/119,535.91
6. Step 6: Final answer
   x = 90,832.69