Finding the Fourth Proportional to 65,148.36, 89,825.94 and 55,059

Step by Step Solution

1. Step 1: Write the proportion equation
   65,148.36 : 89,825.94 = 55,059 : x
2. Step 2: Convert to fraction form
   65,148.36/89,825.94 = 55,059/x
3. Step 3: Cross multiply
   65,148.36x = 89,825.94 × 55,059
4. Step 4: Simplify right side
   65,148.36x = 4,945,726,430.46
5. Step 5: Solve for x
   x = 4,945,726,430.46/65,148.36
6. Step 6: Final answer
   x = 75,914.83