Finding the Fourth Proportional to 64,784.26, 89,401.89 and 36,499.06

Step by Step Solution

1. Step 1: Write the proportion equation
   64,784.26 : 89,401.89 = 36,499.06 : x
2. Step 2: Convert to fraction form
   64,784.26/89,401.89 = 36,499.06/x
3. Step 3: Cross multiply
   64,784.26x = 89,401.89 × 36,499.06
4. Step 4: Simplify right side
   64,784.26x = 3,263,084,947.22
5. Step 5: Solve for x
   x = 3,263,084,947.22/64,784.26
6. Step 6: Final answer
   x = 50,368.48