Finding the Fourth Proportional to 2,271.84, 3,134.86 and 1,277.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.84 : 3,134.86 = 1,277.05 : x
2. Step 2: Convert to fraction form
   2,271.84/3,134.86 = 1,277.05/x
3. Step 3: Cross multiply
   2,271.84x = 3,134.86 × 1,277.05
4. Step 4: Simplify right side
   2,271.84x = 4,003,372.96
5. Step 5: Solve for x
   x = 4,003,372.96/2,271.84
6. Step 6: Final answer
   x = 1,762.17