Finding the Fourth Proportional to 1,407.53, 1,941.31 and 847.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407.53 : 1,941.31 = 847.41 : x
2. Step 2: Convert to fraction form
   1,407.53/1,941.31 = 847.41/x
3. Step 3: Cross multiply
   1,407.53x = 1,941.31 × 847.41
4. Step 4: Simplify right side
   1,407.53x = 1,645,083.39
5. Step 5: Solve for x
   x = 1,645,083.39/1,407.53
6. Step 6: Final answer
   x = 1,168.78