Finding the Fourth Proportional to 10,457.12, 15,688.56 and 3,536.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,457.12 : 15,688.56 = 3,536.48 : x
2. Step 2: Convert to fraction form
   10,457.12/15,688.56 = 3,536.48/x
3. Step 3: Cross multiply
   10,457.12x = 15,688.56 × 3,536.48
4. Step 4: Simplify right side
   10,457.12x = 55,482,278.67
5. Step 5: Solve for x
   x = 55,482,278.67/10,457.12
6. Step 6: Final answer
   x = 5,305.69