Finding the Fourth Proportional to 2,477.61, 3,419.04 and 1,533.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.61 : 3,419.04 = 1,533.15 : x
2. Step 2: Convert to fraction form
   2,477.61/3,419.04 = 1,533.15/x
3. Step 3: Cross multiply
   2,477.61x = 3,419.04 × 1,533.15
4. Step 4: Simplify right side
   2,477.61x = 5,241,916.54
5. Step 5: Solve for x
   x = 5,241,916.54/2,477.61
6. Step 6: Final answer
   x = 2,115.71