Finding the Fourth Proportional to 2,418.10, 3,337.50 and 1,533.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.10 : 3,337.50 = 1,533.74 : x
2. Step 2: Convert to fraction form
   2,418.10/3,337.50 = 1,533.74/x
3. Step 3: Cross multiply
   2,418.10x = 3,337.50 × 1,533.74
4. Step 4: Simplify right side
   2,418.10x = 5,118,846.31
5. Step 5: Solve for x
   x = 5,118,846.31/2,418.10
6. Step 6: Final answer
   x = 2,116.89