Finding the Fourth Proportional to 7,535.76, 10,399.10 and 4,178.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,535.76 : 10,399.10 = 4,178.72 : x
2. Step 2: Convert to fraction form
   7,535.76/10,399.10 = 4,178.72/x
3. Step 3: Cross multiply
   7,535.76x = 10,399.10 × 4,178.72
4. Step 4: Simplify right side
   7,535.76x = 43,454,927.15
5. Step 5: Solve for x
   x = 43,454,927.15/7,535.76
6. Step 6: Final answer
   x = 5,766.50