Finding the Fourth Proportional to 2,520.63, 3,772.85 and 1,347.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.63 : 3,772.85 = 1,347.69 : x
2. Step 2: Convert to fraction form
   2,520.63/3,772.85 = 1,347.69/x
3. Step 3: Cross multiply
   2,520.63x = 3,772.85 × 1,347.69
4. Step 4: Simplify right side
   2,520.63x = 5,084,625.48
5. Step 5: Solve for x
   x = 5,084,625.48/2,520.63
6. Step 6: Final answer
   x = 2,017.20