Finding the Fourth Proportional to 2,187.83, 3,018.67 and 1,337.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.83 : 3,018.67 = 1,337.53 : x
2. Step 2: Convert to fraction form
   2,187.83/3,018.67 = 1,337.53/x
3. Step 3: Cross multiply
   2,187.83x = 3,018.67 × 1,337.53
4. Step 4: Simplify right side
   2,187.83x = 4,037,561.69
5. Step 5: Solve for x
   x = 4,037,561.69/2,187.83
6. Step 6: Final answer
   x = 1,845.46