Finding the Fourth Proportional to 2,520.61, 3,772.83 and 1,347.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.61 : 3,772.83 = 1,347.68 : x
2. Step 2: Convert to fraction form
   2,520.61/3,772.83 = 1,347.68/x
3. Step 3: Cross multiply
   2,520.61x = 3,772.83 × 1,347.68
4. Step 4: Simplify right side
   2,520.61x = 5,084,560.80
5. Step 5: Solve for x
   x = 5,084,560.80/2,520.61
6. Step 6: Final answer
   x = 2,017.19