Finding the Fourth Proportional to 1,821.79, 2,514.88 and 1,401.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821.79 : 2,514.88 = 1,401.98 : x
2. Step 2: Convert to fraction form
   1,821.79/2,514.88 = 1,401.98/x
3. Step 3: Cross multiply
   1,821.79x = 2,514.88 × 1,401.98
4. Step 4: Simplify right side
   1,821.79x = 3,525,800.64
5. Step 5: Solve for x
   x = 3,525,800.64/1,821.79
6. Step 6: Final answer
   x = 1,935.35