Finding the Fourth Proportional to 2,907.45, 4,357.62 and 1,262.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,907.45 : 4,357.62 = 1,262.07 : x
2. Step 2: Convert to fraction form
   2,907.45/4,357.62 = 1,262.07/x
3. Step 3: Cross multiply
   2,907.45x = 4,357.62 × 1,262.07
4. Step 4: Simplify right side
   2,907.45x = 5,499,621.47
5. Step 5: Solve for x
   x = 5,499,621.47/2,907.45
6. Step 6: Final answer
   x = 1,891.56