Finding the Fourth Proportional to 7,624.02, 10,515.20 and 5,105.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,624.02 : 10,515.20 = 5,105.32 : x
2. Step 2: Convert to fraction form
   7,624.02/10,515.20 = 5,105.32/x
3. Step 3: Cross multiply
   7,624.02x = 10,515.20 × 5,105.32
4. Step 4: Simplify right side
   7,624.02x = 53,683,460.86
5. Step 5: Solve for x
   x = 53,683,460.86/7,624.02
6. Step 6: Final answer
   x = 7,041.36