Finding the Fourth Proportional to 69,039.78, 103,558.61 and 31,062.22

Step by Step Solution

1. Step 1: Write the proportion equation
   69,039.78 : 103,558.61 = 31,062.22 : x
2. Step 2: Convert to fraction form
   69,039.78/103,558.61 = 31,062.22/x
3. Step 3: Cross multiply
   69,039.78x = 103,558.61 × 31,062.22
4. Step 4: Simplify right side
   69,039.78x = 3,216,760,326.71
5. Step 5: Solve for x
   x = 3,216,760,326.71/69,039.78
6. Step 6: Final answer
   x = 46,592.86