Finding the Fourth Proportional to 2,538.78, 3,503.23 and 1,419.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.78 : 3,503.23 = 1,419.77 : x
2. Step 2: Convert to fraction form
   2,538.78/3,503.23 = 1,419.77/x
3. Step 3: Cross multiply
   2,538.78x = 3,503.23 × 1,419.77
4. Step 4: Simplify right side
   2,538.78x = 4,973,780.86
5. Step 5: Solve for x
   x = 4,973,780.86/2,538.78
6. Step 6: Final answer
   x = 1,959.12