Finding the Fourth Proportional to 1,406.48, 1,941.71 and 847.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.48 : 1,941.71 = 847.07 : x
2. Step 2: Convert to fraction form
   1,406.48/1,941.71 = 847.07/x
3. Step 3: Cross multiply
   1,406.48x = 1,941.71 × 847.07
4. Step 4: Simplify right side
   1,406.48x = 1,644,764.29
5. Step 5: Solve for x
   x = 1,644,764.29/1,406.48
6. Step 6: Final answer
   x = 1,169.42