Finding the Fourth Proportional to 3,126.98, 4,686.55 and 1,277.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,126.98 : 4,686.55 = 1,277.08 : x
2. Step 2: Convert to fraction form
   3,126.98/4,686.55 = 1,277.08/x
3. Step 3: Cross multiply
   3,126.98x = 4,686.55 × 1,277.08
4. Step 4: Simplify right side
   3,126.98x = 5,985,099.27
5. Step 5: Solve for x
   x = 5,985,099.27/3,126.98
6. Step 6: Final answer
   x = 1,914.02