Finding the Fourth Proportional to 10,213.98, 15,303.69 and 4,951.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,213.98 : 15,303.69 = 4,951.56 : x
2. Step 2: Convert to fraction form
   10,213.98/15,303.69 = 4,951.56/x
3. Step 3: Cross multiply
   10,213.98x = 15,303.69 × 4,951.56
4. Step 4: Simplify right side
   10,213.98x = 75,777,139.26
5. Step 5: Solve for x
   x = 75,777,139.26/10,213.98
6. Step 6: Final answer
   x = 7,418.96