Finding the Fourth Proportional to 14,350.98, 19,804.59 and 7,890.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,350.98 : 19,804.59 = 7,890.89 : x
2. Step 2: Convert to fraction form
   14,350.98/19,804.59 = 7,890.89/x
3. Step 3: Cross multiply
   14,350.98x = 19,804.59 × 7,890.89
4. Step 4: Simplify right side
   14,350.98x = 156,275,752.22
5. Step 5: Solve for x
   x = 156,275,752.22/14,350.98
6. Step 6: Final answer
   x = 10,889.55