Finding the Fourth Proportional to 7,303.18, 10,081.60 and 5,328.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,303.18 : 10,081.60 = 5,328.78 : x
2. Step 2: Convert to fraction form
   7,303.18/10,081.60 = 5,328.78/x
3. Step 3: Cross multiply
   7,303.18x = 10,081.60 × 5,328.78
4. Step 4: Simplify right side
   7,303.18x = 53,722,628.45
5. Step 5: Solve for x
   x = 53,722,628.45/7,303.18
6. Step 6: Final answer
   x = 7,356.06