Finding the Fourth Proportional to 2,907.01, 4,358.05 and 1,262.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,907.01 : 4,358.05 = 1,262.31 : x
2. Step 2: Convert to fraction form
   2,907.01/4,358.05 = 1,262.31/x
3. Step 3: Cross multiply
   2,907.01x = 4,358.05 × 1,262.31
4. Step 4: Simplify right side
   2,907.01x = 5,501,210.10
5. Step 5: Solve for x
   x = 5,501,210.10/2,907.01
6. Step 6: Final answer
   x = 1,892.39