Finding the Fourth Proportional to 10,475.30, 15,710.52 and 4,628.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,475.30 : 15,710.52 = 4,628.72 : x
2. Step 2: Convert to fraction form
   10,475.30/15,710.52 = 4,628.72/x
3. Step 3: Cross multiply
   10,475.30x = 15,710.52 × 4,628.72
4. Step 4: Simplify right side
   10,475.30x = 72,719,598.13
5. Step 5: Solve for x
   x = 72,719,598.13/10,475.30
6. Step 6: Final answer
   x = 6,942.01