Finding the Fourth Proportional to 2,465.05, 3,401.78 and 1,345.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,465.05 : 3,401.78 = 1,345.99 : x
2. Step 2: Convert to fraction form
   2,465.05/3,401.78 = 1,345.99/x
3. Step 3: Cross multiply
   2,465.05x = 3,401.78 × 1,345.99
4. Step 4: Simplify right side
   2,465.05x = 4,578,780.31
5. Step 5: Solve for x
   x = 4,578,780.31/2,465.05
6. Step 6: Final answer
   x = 1,857.48