Finding the Fourth Proportional to 2,672.37, 4,010.58 and 1,212.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.37 : 4,010.58 = 1,212.53 : x
2. Step 2: Convert to fraction form
   2,672.37/4,010.58 = 1,212.53/x
3. Step 3: Cross multiply
   2,672.37x = 4,010.58 × 1,212.53
4. Step 4: Simplify right side
   2,672.37x = 4,862,928.51
5. Step 5: Solve for x
   x = 4,862,928.51/2,672.37
6. Step 6: Final answer
   x = 1,819.71