Finding the Fourth Proportional to 2,681.60, 3,700.75 and 1,503.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681.60 : 3,700.75 = 1,503.05 : x
2. Step 2: Convert to fraction form
   2,681.60/3,700.75 = 1,503.05/x
3. Step 3: Cross multiply
   2,681.60x = 3,700.75 × 1,503.05
4. Step 4: Simplify right side
   2,681.60x = 5,562,393.78
5. Step 5: Solve for x
   x = 5,562,393.78/2,681.60
6. Step 6: Final answer
   x = 2,074.29