Finding the Fourth Proportional to 262,647.53, 364,900.53 and 259,498.25

Step by Step Solution

1. Step 1: Write the proportion equation
   262,647.53 : 364,900.53 = 259,498.25 : x
2. Step 2: Convert to fraction form
   262,647.53/364,900.53 = 259,498.25/x
3. Step 3: Cross multiply
   262,647.53x = 364,900.53 × 259,498.25
4. Step 4: Simplify right side
   262,647.53x = 94,691,048,016.39
5. Step 5: Solve for x
   x = 94,691,048,016.39/262,647.53
6. Step 6: Final answer
   x = 360,525.18