Finding the Fourth Proportional to 1,555.48, 2,146.56 and 847.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555.48 : 2,146.56 = 847.37 : x
2. Step 2: Convert to fraction form
   1,555.48/2,146.56 = 847.37/x
3. Step 3: Cross multiply
   1,555.48x = 2,146.56 × 847.37
4. Step 4: Simplify right side
   1,555.48x = 1,818,915.58
5. Step 5: Solve for x
   x = 1,818,915.58/1,555.48
6. Step 6: Final answer
   x = 1,169.36