Finding the Fourth Proportional to 17,039.94, 23,485.56 and 16,055.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,039.94 : 23,485.56 = 16,055.80 : x
2. Step 2: Convert to fraction form
   17,039.94/23,485.56 = 16,055.80/x
3. Step 3: Cross multiply
   17,039.94x = 23,485.56 × 16,055.80
4. Step 4: Simplify right side
   17,039.94x = 377,079,454.25
5. Step 5: Solve for x
   x = 377,079,454.25/17,039.94
6. Step 6: Final answer
   x = 22,129.15