Finding the Fourth Proportional to 31,784.77, 43,879.31 and 22,395.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,784.77 : 43,879.31 = 22,395.25 : x
2. Step 2: Convert to fraction form
   31,784.77/43,879.31 = 22,395.25/x
3. Step 3: Cross multiply
   31,784.77x = 43,879.31 × 22,395.25
4. Step 4: Simplify right side
   31,784.77x = 982,688,063.57
5. Step 5: Solve for x
   x = 982,688,063.57/31,784.77
6. Step 6: Final answer
   x = 30,916.95