Finding the Fourth Proportional to 80,665.13, 121,030.94 and 35,662.82

Step by Step Solution

1. Step 1: Write the proportion equation
   80,665.13 : 121,030.94 = 35,662.82 : x
2. Step 2: Convert to fraction form
   80,665.13/121,030.94 = 35,662.82/x
3. Step 3: Cross multiply
   80,665.13x = 121,030.94 × 35,662.82
4. Step 4: Simplify right side
   80,665.13x = 4,316,304,111.65
5. Step 5: Solve for x
   x = 4,316,304,111.65/80,665.13
6. Step 6: Final answer
   x = 53,508.92