Finding the Fourth Proportional to 3,645.49, 5,468.60 and 1,048.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.49 : 5,468.60 = 1,048.81 : x
2. Step 2: Convert to fraction form
   3,645.49/5,468.60 = 1,048.81/x
3. Step 3: Cross multiply
   3,645.49x = 5,468.60 × 1,048.81
4. Step 4: Simplify right side
   3,645.49x = 5,735,522.37
5. Step 5: Solve for x
   x = 5,735,522.37/3,645.49
6. Step 6: Final answer
   x = 1,573.32