Finding the Fourth Proportional to 2,069.74, 2,856.43 and 1,185.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.74 : 2,856.43 = 1,185.36 : x
2. Step 2: Convert to fraction form
   2,069.74/2,856.43 = 1,185.36/x
3. Step 3: Cross multiply
   2,069.74x = 2,856.43 × 1,185.36
4. Step 4: Simplify right side
   2,069.74x = 3,385,897.86
5. Step 5: Solve for x
   x = 3,385,897.86/2,069.74
6. Step 6: Final answer
   x = 1,635.90