Finding the Fourth Proportional to 1,931.94, 2,665.22 and 1,185.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.94 : 2,665.22 = 1,185.84 : x
2. Step 2: Convert to fraction form
   1,931.94/2,665.22 = 1,185.84/x
3. Step 3: Cross multiply
   1,931.94x = 2,665.22 × 1,185.84
4. Step 4: Simplify right side
   1,931.94x = 3,160,518.56
5. Step 5: Solve for x
   x = 3,160,518.56/1,931.94
6. Step 6: Final answer
   x = 1,635.93