Finding the Fourth Proportional to 2,106.54, 2,906.55 and 1,267.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.54 : 2,906.55 = 1,267.02 : x
2. Step 2: Convert to fraction form
   2,106.54/2,906.55 = 1,267.02/x
3. Step 3: Cross multiply
   2,106.54x = 2,906.55 × 1,267.02
4. Step 4: Simplify right side
   2,106.54x = 3,682,656.98
5. Step 5: Solve for x
   x = 3,682,656.98/2,106.54
6. Step 6: Final answer
   x = 1,748.20