Finding the Fourth Proportional to 1,339.84, 1,846.56 and 1,277.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.84 : 1,846.56 = 1,277.74 : x
2. Step 2: Convert to fraction form
   1,339.84/1,846.56 = 1,277.74/x
3. Step 3: Cross multiply
   1,339.84x = 1,846.56 × 1,277.74
4. Step 4: Simplify right side
   1,339.84x = 2,359,423.57
5. Step 5: Solve for x
   x = 2,359,423.57/1,339.84
6. Step 6: Final answer
   x = 1,760.97