Finding the Fourth Proportional to 3,753.39, 5,630.48 and 1,288.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753.39 : 5,630.48 = 1,288.41 : x
2. Step 2: Convert to fraction form
   3,753.39/5,630.48 = 1,288.41/x
3. Step 3: Cross multiply
   3,753.39x = 5,630.48 × 1,288.41
4. Step 4: Simplify right side
   3,753.39x = 7,254,384.03
5. Step 5: Solve for x
   x = 7,254,384.03/3,753.39
6. Step 6: Final answer
   x = 1,932.75