Finding the Fourth Proportional to 19,333.73, 28,942.22 and 17,485.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,333.73 : 28,942.22 = 17,485.72 : x
2. Step 2: Convert to fraction form
   19,333.73/28,942.22 = 17,485.72/x
3. Step 3: Cross multiply
   19,333.73x = 28,942.22 × 17,485.72
4. Step 4: Simplify right side
   19,333.73x = 506,075,555.10
5. Step 5: Solve for x
   x = 506,075,555.10/19,333.73
6. Step 6: Final answer
   x = 26,175.78