Finding the Fourth Proportional to 10,494.72, 15,748.56 and 6,120.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,494.72 : 15,748.56 = 6,120.72 : x
2. Step 2: Convert to fraction form
   10,494.72/15,748.56 = 6,120.72/x
3. Step 3: Cross multiply
   10,494.72x = 15,748.56 × 6,120.72
4. Step 4: Simplify right side
   10,494.72x = 96,392,526.16
5. Step 5: Solve for x
   x = 96,392,526.16/10,494.72
6. Step 6: Final answer
   x = 9,184.86