Finding the Fourth Proportional to 3,760.60, 5,639.52 and 1,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.60 : 5,639.52 = 1,294.72 : x
2. Step 2: Convert to fraction form
   3,760.60/5,639.52 = 1,294.72/x
3. Step 3: Cross multiply
   3,760.60x = 5,639.52 × 1,294.72
4. Step 4: Simplify right side
   3,760.60x = 7,301,599.33
5. Step 5: Solve for x
   x = 7,301,599.33/3,760.60
6. Step 6: Final answer
   x = 1,941.60