Finding the Fourth Proportional to 2,635.95, 3,642.42 and 2,507.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.95 : 3,642.42 = 2,507.82 : x
2. Step 2: Convert to fraction form
   2,635.95/3,642.42 = 2,507.82/x
3. Step 3: Cross multiply
   2,635.95x = 3,642.42 × 2,507.82
4. Step 4: Simplify right side
   2,635.95x = 9,134,533.72
5. Step 5: Solve for x
   x = 9,134,533.72/2,635.95
6. Step 6: Final answer
   x = 3,465.37