Finding the Fourth Proportional to 2,978.06, 4,109.97 and 1,651.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.06 : 4,109.97 = 1,651.89 : x
2. Step 2: Convert to fraction form
   2,978.06/4,109.97 = 1,651.89/x
3. Step 3: Cross multiply
   2,978.06x = 4,109.97 × 1,651.89
4. Step 4: Simplify right side
   2,978.06x = 6,789,218.34
5. Step 5: Solve for x
   x = 6,789,218.34/2,978.06
6. Step 6: Final answer
   x = 2,279.75