Finding the Fourth Proportional to 2,554.86, 3,524.98 and 1,435.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.86 : 3,524.98 = 1,435.68 : x
2. Step 2: Convert to fraction form
   2,554.86/3,524.98 = 1,435.68/x
3. Step 3: Cross multiply
   2,554.86x = 3,524.98 × 1,435.68
4. Step 4: Simplify right side
   2,554.86x = 5,060,743.29
5. Step 5: Solve for x
   x = 5,060,743.29/2,554.86
6. Step 6: Final answer
   x = 1,980.83