Finding the Fourth Proportional to 1,771.56, 2,656.34 and 847.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,771.56 : 2,656.34 = 847.34 : x
2. Step 2: Convert to fraction form
   1,771.56/2,656.34 = 847.34/x
3. Step 3: Cross multiply
   1,771.56x = 2,656.34 × 847.34
4. Step 4: Simplify right side
   1,771.56x = 2,250,823.14
5. Step 5: Solve for x
   x = 2,250,823.14/1,771.56
6. Step 6: Final answer
   x = 1,270.53