Finding the Fourth Proportional to 2,978.49, 4,109.53 and 1,799.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.49 : 4,109.53 = 1,799.13 : x
2. Step 2: Convert to fraction form
   2,978.49/4,109.53 = 1,799.13/x
3. Step 3: Cross multiply
   2,978.49x = 4,109.53 × 1,799.13
4. Step 4: Simplify right side
   2,978.49x = 7,393,578.71
5. Step 5: Solve for x
   x = 7,393,578.71/2,978.49
6. Step 6: Final answer
   x = 2,482.32