Finding the Fourth Proportional to 38,965.55, 58,406.39 and 16,789.37

Step by Step Solution

1. Step 1: Write the proportion equation
   38,965.55 : 58,406.39 = 16,789.37 : x
2. Step 2: Convert to fraction form
   38,965.55/58,406.39 = 16,789.37/x
3. Step 3: Cross multiply
   38,965.55x = 58,406.39 × 16,789.37
4. Step 4: Simplify right side
   38,965.55x = 980,606,116.10
5. Step 5: Solve for x
   x = 980,606,116.10/38,965.55
6. Step 6: Final answer
   x = 25,165.98