Finding the Fourth Proportional to 69,389.18, 104,014.35 and 31,976.27

Step by Step Solution

1. Step 1: Write the proportion equation
   69,389.18 : 104,014.35 = 31,976.27 : x
2. Step 2: Convert to fraction form
   69,389.18/104,014.35 = 31,976.27/x
3. Step 3: Cross multiply
   69,389.18x = 104,014.35 × 31,976.27
4. Step 4: Simplify right side
   69,389.18x = 3,325,990,939.47
5. Step 5: Solve for x
   x = 3,325,990,939.47/69,389.18
6. Step 6: Final answer
   x = 47,932.41