Finding the Fourth Proportional to 11,290.83, 16,924.37 and 5,435.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,290.83 : 16,924.37 = 5,435.07 : x
2. Step 2: Convert to fraction form
   11,290.83/16,924.37 = 5,435.07/x
3. Step 3: Cross multiply
   11,290.83x = 16,924.37 × 5,435.07
4. Step 4: Simplify right side
   11,290.83x = 91,985,108.48
5. Step 5: Solve for x
   x = 91,985,108.48/11,290.83
6. Step 6: Final answer
   x = 8,146.89