Finding the Fourth Proportional to 65,059.10, 89,780.38 and 36,764.18

Step by Step Solution

1. Step 1: Write the proportion equation
   65,059.10 : 89,780.38 = 36,764.18 : x
2. Step 2: Convert to fraction form
   65,059.10/89,780.38 = 36,764.18/x
3. Step 3: Cross multiply
   65,059.10x = 89,780.38 × 36,764.18
4. Step 4: Simplify right side
   65,059.10x = 3,300,701,601.89
5. Step 5: Solve for x
   x = 3,300,701,601.89/65,059.10
6. Step 6: Final answer
   x = 50,733.90