Finding the Fourth Proportional to 2,477.86, 3,419.51 and 1,401.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.86 : 3,419.51 = 1,401.05 : x
2. Step 2: Convert to fraction form
   2,477.86/3,419.51 = 1,401.05/x
3. Step 3: Cross multiply
   2,477.86x = 3,419.51 × 1,401.05
4. Step 4: Simplify right side
   2,477.86x = 4,790,887.39
5. Step 5: Solve for x
   x = 4,790,887.39/2,477.86
6. Step 6: Final answer
   x = 1,933.48