Finding the Fourth Proportional to 2,037.61, 2,811.88 and 1,153.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.61 : 2,811.88 = 1,153.41 : x
2. Step 2: Convert to fraction form
   2,037.61/2,811.88 = 1,153.41/x
3. Step 3: Cross multiply
   2,037.61x = 2,811.88 × 1,153.41
4. Step 4: Simplify right side
   2,037.61x = 3,243,250.51
5. Step 5: Solve for x
   x = 3,243,250.51/2,037.61
6. Step 6: Final answer
   x = 1,591.69