Finding the Fourth Proportional to 10,576.80, 14,600.72 and 7,607.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,576.80 : 14,600.72 = 7,607.20 : x
2. Step 2: Convert to fraction form
   10,576.80/14,600.72 = 7,607.20/x
3. Step 3: Cross multiply
   10,576.80x = 14,600.72 × 7,607.20
4. Step 4: Simplify right side
   10,576.80x = 111,070,597.18
5. Step 5: Solve for x
   x = 111,070,597.18/10,576.80
6. Step 6: Final answer
   x = 10,501.34