Finding the Fourth Proportional to 1,771.39, 2,445.56 and 1,298.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,771.39 : 2,445.56 = 1,298.89 : x
2. Step 2: Convert to fraction form
   1,771.39/2,445.56 = 1,298.89/x
3. Step 3: Cross multiply
   1,771.39x = 2,445.56 × 1,298.89
4. Step 4: Simplify right side
   1,771.39x = 3,176,513.43
5. Step 5: Solve for x
   x = 3,176,513.43/1,771.39
6. Step 6: Final answer
   x = 1,793.23