Finding the Fourth Proportional to 65,036.62, 89,824.58 and 43,778.98

Step by Step Solution

1. Step 1: Write the proportion equation
   65,036.62 : 89,824.58 = 43,778.98 : x
2. Step 2: Convert to fraction form
   65,036.62/89,824.58 = 43,778.98/x
3. Step 3: Cross multiply
   65,036.62x = 89,824.58 × 43,778.98
4. Step 4: Simplify right side
   65,036.62x = 3,932,428,491.33
5. Step 5: Solve for x
   x = 3,932,428,491.33/65,036.62
6. Step 6: Final answer
   x = 60,464.83