Finding the Fourth Proportional to 10,457.94, 15,687.72 and 4,535.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,457.94 : 15,687.72 = 4,535.22 : x
2. Step 2: Convert to fraction form
   10,457.94/15,687.72 = 4,535.22/x
3. Step 3: Cross multiply
   10,457.94x = 15,687.72 × 4,535.22
4. Step 4: Simplify right side
   10,457.94x = 71,147,261.50
5. Step 5: Solve for x
   x = 71,147,261.50/10,457.94
6. Step 6: Final answer
   x = 6,803.18