Finding the Fourth Proportional to 64,799.01, 89,422.25 and 36,513.81

Step by Step Solution

1. Step 1: Write the proportion equation
   64,799.01 : 89,422.25 = 36,513.81 : x
2. Step 2: Convert to fraction form
   64,799.01/89,422.25 = 36,513.81/x
3. Step 3: Cross multiply
   64,799.01x = 89,422.25 × 36,513.81
4. Step 4: Simplify right side
   64,799.01x = 3,265,146,863.70
5. Step 5: Solve for x
   x = 3,265,146,863.70/64,799.01
6. Step 6: Final answer
   x = 50,388.84