Finding the Fourth Proportional to 31,080.82, 46,546.35 and 19,379.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,080.82 : 46,546.35 = 19,379.38 : x
2. Step 2: Convert to fraction form
   31,080.82/46,546.35 = 19,379.38/x
3. Step 3: Cross multiply
   31,080.82x = 46,546.35 × 19,379.38
4. Step 4: Simplify right side
   31,080.82x = 902,039,404.26
5. Step 5: Solve for x
   x = 902,039,404.26/31,080.82
6. Step 6: Final answer
   x = 29,022.38