Finding the Fourth Proportional to 3,418.58, 5,123.89 and 1,569.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,418.58 : 5,123.89 = 1,569.89 : x
2. Step 2: Convert to fraction form
   3,418.58/5,123.89 = 1,569.89/x
3. Step 3: Cross multiply
   3,418.58x = 5,123.89 × 1,569.89
4. Step 4: Simplify right side
   3,418.58x = 8,043,943.67
5. Step 5: Solve for x
   x = 8,043,943.67/3,418.58
6. Step 6: Final answer
   x = 2,353.01