Finding the Fourth Proportional to 5,612.58, 8,419.78 and 2,103.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612.58 : 8,419.78 = 2,103.82 : x
2. Step 2: Convert to fraction form
   5,612.58/8,419.78 = 2,103.82/x
3. Step 3: Cross multiply
   5,612.58x = 8,419.78 × 2,103.82
4. Step 4: Simplify right side
   5,612.58x = 17,713,701.56
5. Step 5: Solve for x
   x = 17,713,701.56/5,612.58
6. Step 6: Final answer
   x = 3,156.07