Finding the Fourth Proportional to 10,251.72, 15,372.26 and 4,700.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,251.72 : 15,372.26 = 4,700.28 : x
2. Step 2: Convert to fraction form
   10,251.72/15,372.26 = 4,700.28/x
3. Step 3: Cross multiply
   10,251.72x = 15,372.26 × 4,700.28
4. Step 4: Simplify right side
   10,251.72x = 72,253,978.00
5. Step 5: Solve for x
   x = 72,253,978.00/10,251.72
6. Step 6: Final answer
   x = 7,047.99