Finding the Fourth Proportional to 5,777.10, 7,970.25 and 3,788.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,777.10 : 7,970.25 = 3,788.76 : x
2. Step 2: Convert to fraction form
   5,777.10/7,970.25 = 3,788.76/x
3. Step 3: Cross multiply
   5,777.10x = 7,970.25 × 3,788.76
4. Step 4: Simplify right side
   5,777.10x = 30,197,364.39
5. Step 5: Solve for x
   x = 30,197,364.39/5,777.10
6. Step 6: Final answer
   x = 5,227.08