Finding the Fourth Proportional to 31,085.41, 46,641.87 and 16,290.79

Step by Step Solution

1. Step 1: Write the proportion equation
   31,085.41 : 46,641.87 = 16,290.79 : x
2. Step 2: Convert to fraction form
   31,085.41/46,641.87 = 16,290.79/x
3. Step 3: Cross multiply
   31,085.41x = 46,641.87 × 16,290.79
4. Step 4: Simplify right side
   31,085.41x = 759,832,909.38
5. Step 5: Solve for x
   x = 759,832,909.38/31,085.41
6. Step 6: Final answer
   x = 24,443.39