Finding the Fourth Proportional to 5,878.17, 8,818.20 and 1,928.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,878.17 : 8,818.20 = 1,928.27 : x
2. Step 2: Convert to fraction form
   5,878.17/8,818.20 = 1,928.27/x
3. Step 3: Cross multiply
   5,878.17x = 8,818.20 × 1,928.27
4. Step 4: Simplify right side
   5,878.17x = 17,003,892.56
5. Step 5: Solve for x
   x = 17,003,892.56/5,878.17
6. Step 6: Final answer
   x = 2,892.72