Finding the Fourth Proportional to 1,370.48, 1,890.56 and 846.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,370.48 : 1,890.56 = 846.16 : x
2. Step 2: Convert to fraction form
   1,370.48/1,890.56 = 846.16/x
3. Step 3: Cross multiply
   1,370.48x = 1,890.56 × 846.16
4. Step 4: Simplify right side
   1,370.48x = 1,599,716.25
5. Step 5: Solve for x
   x = 1,599,716.25/1,370.48
6. Step 6: Final answer
   x = 1,167.27