Finding the Fourth Proportional to 1,406.23, 1,940.10 and 846.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.23 : 1,940.10 = 846.26 : x
2. Step 2: Convert to fraction form
   1,406.23/1,940.10 = 846.26/x
3. Step 3: Cross multiply
   1,406.23x = 1,940.10 × 846.26
4. Step 4: Simplify right side
   1,406.23x = 1,641,839.10
5. Step 5: Solve for x
   x = 1,641,839.10/1,406.23
6. Step 6: Final answer
   x = 1,167.55