Finding the Fourth Proportional to 1,650.62, 2,470.59 and 1,262.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650.62 : 2,470.59 = 1,262.09 : x
2. Step 2: Convert to fraction form
   1,650.62/2,470.59 = 1,262.09/x
3. Step 3: Cross multiply
   1,650.62x = 2,470.59 × 1,262.09
4. Step 4: Simplify right side
   1,650.62x = 3,118,094.58
5. Step 5: Solve for x
   x = 3,118,094.58/1,650.62
6. Step 6: Final answer
   x = 1,889.05