Finding the Fourth Proportional to 2,535.78, 3,499.51 and 1,416.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.78 : 3,499.51 = 1,416.74 : x
2. Step 2: Convert to fraction form
   2,535.78/3,499.51 = 1,416.74/x
3. Step 3: Cross multiply
   2,535.78x = 3,499.51 × 1,416.74
4. Step 4: Simplify right side
   2,535.78x = 4,957,895.80
5. Step 5: Solve for x
   x = 4,957,895.80/2,535.78
6. Step 6: Final answer
   x = 1,955.18