Finding the Fourth Proportional to 69,086.80, 103,610.04 and 31,625.68

Step by Step Solution

1. Step 1: Write the proportion equation
   69,086.80 : 103,610.04 = 31,625.68 : x
2. Step 2: Convert to fraction form
   69,086.80/103,610.04 = 31,625.68/x
3. Step 3: Cross multiply
   69,086.80x = 103,610.04 × 31,625.68
4. Step 4: Simplify right side
   69,086.80x = 3,276,737,969.83
5. Step 5: Solve for x
   x = 3,276,737,969.83/69,086.80
6. Step 6: Final answer
   x = 47,429.29