Finding the Fourth Proportional to 1,992.71, 2,750.03 and 1,153.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992.71 : 2,750.03 = 1,153.45 : x
2. Step 2: Convert to fraction form
   1,992.71/2,750.03 = 1,153.45/x
3. Step 3: Cross multiply
   1,992.71x = 2,750.03 × 1,153.45
4. Step 4: Simplify right side
   1,992.71x = 3,172,016.34
5. Step 5: Solve for x
   x = 3,172,016.34/1,992.71
6. Step 6: Final answer
   x = 1,591.81