Finding the Fourth Proportional to 2,677.47, 4,017.54 and 1,291.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,677.47 : 4,017.54 = 1,291.98 : x
2. Step 2: Convert to fraction form
   2,677.47/4,017.54 = 1,291.98/x
3. Step 3: Cross multiply
   2,677.47x = 4,017.54 × 1,291.98
4. Step 4: Simplify right side
   2,677.47x = 5,190,581.33
5. Step 5: Solve for x
   x = 5,190,581.33/2,677.47
6. Step 6: Final answer
   x = 1,938.61