Finding the Fourth Proportional to 10,902.83, 16,354.26 and 3,111.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902.83 : 16,354.26 = 3,111.64 : x
2. Step 2: Convert to fraction form
   10,902.83/16,354.26 = 3,111.64/x
3. Step 3: Cross multiply
   10,902.83x = 16,354.26 × 3,111.64
4. Step 4: Simplify right side
   10,902.83x = 50,888,590.03
5. Step 5: Solve for x
   x = 50,888,590.03/10,902.83
6. Step 6: Final answer
   x = 4,667.47