Finding the Fourth Proportional to 1,406.41, 1,940.23 and 846.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.41 : 1,940.23 = 846.56 : x
2. Step 2: Convert to fraction form
   1,406.41/1,940.23 = 846.56/x
3. Step 3: Cross multiply
   1,406.41x = 1,940.23 × 846.56
4. Step 4: Simplify right side
   1,406.41x = 1,642,521.11
5. Step 5: Solve for x
   x = 1,642,521.11/1,406.41
6. Step 6: Final answer
   x = 1,167.89