Finding the Fourth Proportional to 69,004.54, 103,374.83 and 57,831.37

Step by Step Solution

1. Step 1: Write the proportion equation
   69,004.54 : 103,374.83 = 57,831.37 : x
2. Step 2: Convert to fraction form
   69,004.54/103,374.83 = 57,831.37/x
3. Step 3: Cross multiply
   69,004.54x = 103,374.83 × 57,831.37
4. Step 4: Simplify right side
   69,004.54x = 5,978,307,928.56
5. Step 5: Solve for x
   x = 5,978,307,928.56/69,004.54
6. Step 6: Final answer
   x = 86,636.44