Finding the Fourth Proportional to 10,355.60, 15,524.72 and 4,507.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,355.60 : 15,524.72 = 4,507.85 : x
2. Step 2: Convert to fraction form
   10,355.60/15,524.72 = 4,507.85/x
3. Step 3: Cross multiply
   10,355.60x = 15,524.72 × 4,507.85
4. Step 4: Simplify right side
   10,355.60x = 69,983,086.51
5. Step 5: Solve for x
   x = 69,983,086.51/10,355.60
6. Step 6: Final answer
   x = 6,757.99