Finding the Fourth Proportional to 2,037.76, 2,812.05 and 1,153.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.76 : 2,812.05 = 1,153.64 : x
2. Step 2: Convert to fraction form
   2,037.76/2,812.05 = 1,153.64/x
3. Step 3: Cross multiply
   2,037.76x = 2,812.05 × 1,153.64
4. Step 4: Simplify right side
   2,037.76x = 3,244,100.39
5. Step 5: Solve for x
   x = 3,244,100.39/2,037.76
6. Step 6: Final answer
   x = 1,592.00