Finding the Fourth Proportional to 5,077.66, 7,606.23 and 3,976.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,077.66 : 7,606.23 = 3,976.78 : x
2. Step 2: Convert to fraction form
   5,077.66/7,606.23 = 3,976.78/x
3. Step 3: Cross multiply
   5,077.66x = 7,606.23 × 3,976.78
4. Step 4: Simplify right side
   5,077.66x = 30,248,303.34
5. Step 5: Solve for x
   x = 30,248,303.34/5,077.66
6. Step 6: Final answer
   x = 5,957.13