Finding the Fourth Proportional to 1,554.57, 2,145.22 and 846.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.57 : 2,145.22 = 846.38 : x
2. Step 2: Convert to fraction form
   1,554.57/2,145.22 = 846.38/x
3. Step 3: Cross multiply
   1,554.57x = 2,145.22 × 846.38
4. Step 4: Simplify right side
   1,554.57x = 1,815,674.55
5. Step 5: Solve for x
   x = 1,815,674.55/1,554.57
6. Step 6: Final answer
   x = 1,167.96