Finding the Fourth Proportional to 2,978.00, 4,109.78 and 1,651.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.00 : 4,109.78 = 1,651.62 : x
2. Step 2: Convert to fraction form
   2,978.00/4,109.78 = 1,651.62/x
3. Step 3: Cross multiply
   2,978.00x = 4,109.78 × 1,651.62
4. Step 4: Simplify right side
   2,978.00x = 6,787,776.31
5. Step 5: Solve for x
   x = 6,787,776.31/2,978.00
6. Step 6: Final answer
   x = 2,279.30