Finding the Fourth Proportional to 2,637.77, 3,951.18 and 1,336.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.77 : 3,951.18 = 1,336.50 : x
2. Step 2: Convert to fraction form
   2,637.77/3,951.18 = 1,336.50/x
3. Step 3: Cross multiply
   2,637.77x = 3,951.18 × 1,336.50
4. Step 4: Simplify right side
   2,637.77x = 5,280,752.07
5. Step 5: Solve for x
   x = 5,280,752.07/2,637.77
6. Step 6: Final answer
   x = 2,001.98