Finding the Fourth Proportional to 3,687.53, 5,530.45 and 1,055.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687.53 : 5,530.45 = 1,055.00 : x
2. Step 2: Convert to fraction form
   3,687.53/5,530.45 = 1,055.00/x
3. Step 3: Cross multiply
   3,687.53x = 5,530.45 × 1,055.00
4. Step 4: Simplify right side
   3,687.53x = 5,834,625.33
5. Step 5: Solve for x
   x = 5,834,625.33/3,687.53
6. Step 6: Final answer
   x = 1,582.26