Finding the Fourth Proportional to 2,535.90, 3,499.35 and 1,416.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.90 : 3,499.35 = 1,416.78 : x
2. Step 2: Convert to fraction form
   2,535.90/3,499.35 = 1,416.78/x
3. Step 3: Cross multiply
   2,535.90x = 3,499.35 × 1,416.78
4. Step 4: Simplify right side
   2,535.90x = 4,957,809.09
5. Step 5: Solve for x
   x = 4,957,809.09/2,535.90
6. Step 6: Final answer
   x = 1,955.05