Finding the Fourth Proportional to 31,109.94, 46,664.82 and 8,922.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,109.94 : 46,664.82 = 8,922.78 : x
2. Step 2: Convert to fraction form
   31,109.94/46,664.82 = 8,922.78/x
3. Step 3: Cross multiply
   31,109.94x = 46,664.82 × 8,922.78
4. Step 4: Simplify right side
   31,109.94x = 416,379,922.60
5. Step 5: Solve for x
   x = 416,379,922.60/31,109.94
6. Step 6: Final answer
   x = 13,384.14