Finding the Fourth Proportional to 2,106.47, 2,907.02 and 1,267.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.47 : 2,907.02 = 1,267.25 : x
2. Step 2: Convert to fraction form
   2,106.47/2,907.02 = 1,267.25/x
3. Step 3: Cross multiply
   2,106.47x = 2,907.02 × 1,267.25
4. Step 4: Simplify right side
   2,106.47x = 3,683,909.73
5. Step 5: Solve for x
   x = 3,683,909.73/2,106.47
6. Step 6: Final answer
   x = 1,748.85