Finding the Fourth Proportional to 1,406.64, 1,941.33 and 847.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.64 : 1,941.33 = 847.39 : x
2. Step 2: Convert to fraction form
   1,406.64/1,941.33 = 847.39/x
3. Step 3: Cross multiply
   1,406.64x = 1,941.33 × 847.39
4. Step 4: Simplify right side
   1,406.64x = 1,645,064.47
5. Step 5: Solve for x
   x = 1,645,064.47/1,406.64
6. Step 6: Final answer
   x = 1,169.50