Finding the Fourth Proportional to 64,699.01, 89,284.43 and 36,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,699.01 : 89,284.43 = 36,404.72 : x
2. Step 2: Convert to fraction form
   64,699.01/89,284.43 = 36,404.72/x
3. Step 3: Cross multiply
   64,699.01x = 89,284.43 × 36,404.72
4. Step 4: Simplify right side
   64,699.01x = 3,250,374,046.06
5. Step 5: Solve for x
   x = 3,250,374,046.06/64,699.01
6. Step 6: Final answer
   x = 50,238.39