Finding the Fourth Proportional to 2,535.78, 3,499.34 and 1,416.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.78 : 3,499.34 = 1,416.80 : x
2. Step 2: Convert to fraction form
   2,535.78/3,499.34 = 1,416.80/x
3. Step 3: Cross multiply
   2,535.78x = 3,499.34 × 1,416.80
4. Step 4: Simplify right side
   2,535.78x = 4,957,864.91
5. Step 5: Solve for x
   x = 4,957,864.91/2,535.78
6. Step 6: Final answer
   x = 1,955.16