Finding the Fourth Proportional to 2,488.61, 3,732.71 and 844.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.61 : 3,732.71 = 844.99 : x
2. Step 2: Convert to fraction form
   2,488.61/3,732.71 = 844.99/x
3. Step 3: Cross multiply
   2,488.61x = 3,732.71 × 844.99
4. Step 4: Simplify right side
   2,488.61x = 3,154,089.07
5. Step 5: Solve for x
   x = 3,154,089.07/2,488.61
6. Step 6: Final answer
   x = 1,267.41