Finding the Fourth Proportional to 1,769.55, 2,653.35 and 845.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.55 : 2,653.35 = 845.34 : x
2. Step 2: Convert to fraction form
   1,769.55/2,653.35 = 845.34/x
3. Step 3: Cross multiply
   1,769.55x = 2,653.35 × 845.34
4. Step 4: Simplify right side
   1,769.55x = 2,242,982.89
5. Step 5: Solve for x
   x = 2,242,982.89/1,769.55
6. Step 6: Final answer
   x = 1,267.54