Finding the Fourth Proportional to 1,666.52, 2,498.52 and 844.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.52 : 2,498.52 = 844.40 : x
2. Step 2: Convert to fraction form
   1,666.52/2,498.52 = 844.40/x
3. Step 3: Cross multiply
   1,666.52x = 2,498.52 × 844.40
4. Step 4: Simplify right side
   1,666.52x = 2,109,750.29
5. Step 5: Solve for x
   x = 2,109,750.29/1,666.52
6. Step 6: Final answer
   x = 1,265.96