Finding the Fourth Proportional to 4,976.58, 7,461.81 and 1,689.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,976.58 : 7,461.81 = 1,689.42 : x
2. Step 2: Convert to fraction form
   4,976.58/7,461.81 = 1,689.42/x
3. Step 3: Cross multiply
   4,976.58x = 7,461.81 × 1,689.42
4. Step 4: Simplify right side
   4,976.58x = 12,606,131.05
5. Step 5: Solve for x
   x = 12,606,131.05/4,976.58
6. Step 6: Final answer
   x = 2,533.09