Finding the Fourth Proportional to 31,778.69, 43,842.87 and 19,032.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,778.69 : 43,842.87 = 19,032.12 : x
2. Step 2: Convert to fraction form
   31,778.69/43,842.87 = 19,032.12/x
3. Step 3: Cross multiply
   31,778.69x = 43,842.87 × 19,032.12
4. Step 4: Simplify right side
   31,778.69x = 834,422,762.98
5. Step 5: Solve for x
   x = 834,422,762.98/31,778.69
6. Step 6: Final answer
   x = 26,257.31