Finding the Fourth Proportional to 69,092.27, 103,637.25 and 31,120.42

Step by Step Solution

1. Step 1: Write the proportion equation
   69,092.27 : 103,637.25 = 31,120.42 : x
2. Step 2: Convert to fraction form
   69,092.27/103,637.25 = 31,120.42/x
3. Step 3: Cross multiply
   69,092.27x = 103,637.25 × 31,120.42
4. Step 4: Simplify right side
   69,092.27x = 3,225,234,669.84
5. Step 5: Solve for x
   x = 3,225,234,669.84/69,092.27
6. Step 6: Final answer
   x = 46,680.11