Finding the Fourth Proportional to 2,447.77, 3,374.56 and 1,551.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.77 : 3,374.56 = 1,551.05 : x
2. Step 2: Convert to fraction form
   2,447.77/3,374.56 = 1,551.05/x
3. Step 3: Cross multiply
   2,447.77x = 3,374.56 × 1,551.05
4. Step 4: Simplify right side
   2,447.77x = 5,234,111.29
5. Step 5: Solve for x
   x = 5,234,111.29/2,447.77
6. Step 6: Final answer
   x = 2,138.32