Finding the Fourth Proportional to 2,635.98, 3,953.98 and 2,475.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.98 : 3,953.98 = 2,475.60 : x
2. Step 2: Convert to fraction form
   2,635.98/3,953.98 = 2,475.60/x
3. Step 3: Cross multiply
   2,635.98x = 3,953.98 × 2,475.60
4. Step 4: Simplify right side
   2,635.98x = 9,788,472.89
5. Step 5: Solve for x
   x = 9,788,472.89/2,635.98
6. Step 6: Final answer
   x = 3,713.41