Finding the Fourth Proportional to 2,625.31, 3,619.56 and 2,151.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,625.31 : 3,619.56 = 2,151.46 : x
2. Step 2: Convert to fraction form
   2,625.31/3,619.56 = 2,151.46/x
3. Step 3: Cross multiply
   2,625.31x = 3,619.56 × 2,151.46
4. Step 4: Simplify right side
   2,625.31x = 7,787,338.56
5. Step 5: Solve for x
   x = 7,787,338.56/2,625.31
6. Step 6: Final answer
   x = 2,966.25