Finding the Fourth Proportional to 7,005.04, 10,484.88 and 5,155.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.04 : 10,484.88 = 5,155.76 : x
2. Step 2: Convert to fraction form
   7,005.04/10,484.88 = 5,155.76/x
3. Step 3: Cross multiply
   7,005.04x = 10,484.88 × 5,155.76
4. Step 4: Simplify right side
   7,005.04x = 54,057,524.91
5. Step 5: Solve for x
   x = 54,057,524.91/7,005.04
6. Step 6: Final answer
   x = 7,716.95