Finding the Fourth Proportional to 1,479.47, 2,041.40 and 849.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.47 : 2,041.40 = 849.89 : x
2. Step 2: Convert to fraction form
   1,479.47/2,041.40 = 849.89/x
3. Step 3: Cross multiply
   1,479.47x = 2,041.40 × 849.89
4. Step 4: Simplify right side
   1,479.47x = 1,734,972.67
5. Step 5: Solve for x
   x = 1,734,972.67/1,479.47
6. Step 6: Final answer
   x = 1,172.70