Finding the Fourth Proportional to 64,786.01, 89,405.69 and 36,104.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,786.01 : 89,405.69 = 36,104.89 : x
2. Step 2: Convert to fraction form
   64,786.01/89,405.69 = 36,104.89/x
3. Step 3: Cross multiply
   64,786.01x = 89,405.69 × 36,104.89
4. Step 4: Simplify right side
   64,786.01x = 3,227,982,602.82
5. Step 5: Solve for x
   x = 3,227,982,602.82/64,786.01
6. Step 6: Final answer
   x = 49,825.30