Finding the Fourth Proportional to 31,216.85, 43,074.42 and 17,788.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,216.85 : 43,074.42 = 17,788.67 : x
2. Step 2: Convert to fraction form
   31,216.85/43,074.42 = 17,788.67/x
3. Step 3: Cross multiply
   31,216.85x = 43,074.42 × 17,788.67
4. Step 4: Simplify right side
   31,216.85x = 766,236,642.82
5. Step 5: Solve for x
   x = 766,236,642.82/31,216.85
6. Step 6: Final answer
   x = 24,545.61