Finding the Fourth Proportional to 11,131.83, 16,698.86 and 4,113.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.83 : 16,698.86 = 4,113.69 : x
2. Step 2: Convert to fraction form
   11,131.83/16,698.86 = 4,113.69/x
3. Step 3: Cross multiply
   11,131.83x = 16,698.86 × 4,113.69
4. Step 4: Simplify right side
   11,131.83x = 68,693,865.63
5. Step 5: Solve for x
   x = 68,693,865.63/11,131.83
6. Step 6: Final answer
   x = 6,170.94