Finding the Fourth Proportional to 7,333.96, 10,120.94 and 3,976.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,333.96 : 10,120.94 = 3,976.78 : x
2. Step 2: Convert to fraction form
   7,333.96/10,120.94 = 3,976.78/x
3. Step 3: Cross multiply
   7,333.96x = 10,120.94 × 3,976.78
4. Step 4: Simplify right side
   7,333.96x = 40,248,751.77
5. Step 5: Solve for x
   x = 40,248,751.77/7,333.96
6. Step 6: Final answer
   x = 5,488.00