Finding the Fourth Proportional to 16,390.78, 24,590.03 and 5,296.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,390.78 : 24,590.03 = 5,296.52 : x
2. Step 2: Convert to fraction form
   16,390.78/24,590.03 = 5,296.52/x
3. Step 3: Cross multiply
   16,390.78x = 24,590.03 × 5,296.52
4. Step 4: Simplify right side
   16,390.78x = 130,241,620.69
5. Step 5: Solve for x
   x = 130,241,620.69/16,390.78
6. Step 6: Final answer
   x = 7,946.03