Finding the Fourth Proportional to 1,893.57, 2,614.42 and 1,185.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,893.57 : 2,614.42 = 1,185.72 : x
2. Step 2: Convert to fraction form
   1,893.57/2,614.42 = 1,185.72/x
3. Step 3: Cross multiply
   1,893.57x = 2,614.42 × 1,185.72
4. Step 4: Simplify right side
   1,893.57x = 3,099,970.08
5. Step 5: Solve for x
   x = 3,099,970.08/1,893.57
6. Step 6: Final answer
   x = 1,637.10