Finding the Fourth Proportional to 3,400.05, 5,100.89 and 1,551.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,400.05 : 5,100.89 = 1,551.72 : x
2. Step 2: Convert to fraction form
   3,400.05/5,100.89 = 1,551.72/x
3. Step 3: Cross multiply
   3,400.05x = 5,100.89 × 1,551.72
4. Step 4: Simplify right side
   3,400.05x = 7,915,153.03
5. Step 5: Solve for x
   x = 7,915,153.03/3,400.05
6. Step 6: Final answer
   x = 2,327.95