Finding the Fourth Proportional to 10,493.78, 15,756.18 and 7,005.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,493.78 : 15,756.18 = 7,005.52 : x
2. Step 2: Convert to fraction form
   10,493.78/15,756.18 = 7,005.52/x
3. Step 3: Cross multiply
   10,493.78x = 15,756.18 × 7,005.52
4. Step 4: Simplify right side
   10,493.78x = 110,380,234.11
5. Step 5: Solve for x
   x = 110,380,234.11/10,493.78
6. Step 6: Final answer
   x = 10,518.63