Finding the Fourth Proportional to 3,721.53, 5,583.59 and 2,477.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,721.53 : 5,583.59 = 2,477.12 : x
2. Step 2: Convert to fraction form
   3,721.53/5,583.59 = 2,477.12/x
3. Step 3: Cross multiply
   3,721.53x = 5,583.59 × 2,477.12
4. Step 4: Simplify right side
   3,721.53x = 13,831,222.46
5. Step 5: Solve for x
   x = 13,831,222.46/3,721.53
6. Step 6: Final answer
   x = 3,716.54