Finding the Fourth Proportional to 5,410.82, 8,115.86 and 2,124.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,410.82 : 8,115.86 = 2,124.47 : x
2. Step 2: Convert to fraction form
   5,410.82/8,115.86 = 2,124.47/x
3. Step 3: Cross multiply
   5,410.82x = 8,115.86 × 2,124.47
4. Step 4: Simplify right side
   5,410.82x = 17,241,865.83
5. Step 5: Solve for x
   x = 17,241,865.83/5,410.82
6. Step 6: Final answer
   x = 3,186.56