Finding the Fourth Proportional to 9,900.30, 14,858.55 and 9,576.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.30 : 14,858.55 = 9,576.30 : x
2. Step 2: Convert to fraction form
   9,900.30/14,858.55 = 9,576.30/x
3. Step 3: Cross multiply
   9,900.30x = 14,858.55 × 9,576.30
4. Step 4: Simplify right side
   9,900.30x = 142,289,932.37
5. Step 5: Solve for x
   x = 142,289,932.37/9,900.30
6. Step 6: Final answer
   x = 14,372.28