Finding the Fourth Proportional to 2,978.08, 4,460.82 and 1,881.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.08 : 4,460.82 = 1,881.88 : x
2. Step 2: Convert to fraction form
   2,978.08/4,460.82 = 1,881.88/x
3. Step 3: Cross multiply
   2,978.08x = 4,460.82 × 1,881.88
4. Step 4: Simplify right side
   2,978.08x = 8,394,727.94
5. Step 5: Solve for x
   x = 8,394,727.94/2,978.08
6. Step 6: Final answer
   x = 2,818.84