Finding the Fourth Proportional to 2,605.15, 3,907.47 and 1,434.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.15 : 3,907.47 = 1,434.77 : x
2. Step 2: Convert to fraction form
   2,605.15/3,907.47 = 1,434.77/x
3. Step 3: Cross multiply
   2,605.15x = 3,907.47 × 1,434.77
4. Step 4: Simplify right side
   2,605.15x = 5,606,320.73
5. Step 5: Solve for x
   x = 5,606,320.73/2,605.15
6. Step 6: Final answer
   x = 2,152.01