Finding the Fourth Proportional to 9,523.72, 13,141.61 and 5,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,523.72 : 13,141.61 = 5,490.50 : x
2. Step 2: Convert to fraction form
   9,523.72/13,141.61 = 5,490.50/x
3. Step 3: Cross multiply
   9,523.72x = 13,141.61 × 5,490.50
4. Step 4: Simplify right side
   9,523.72x = 72,154,011.06
5. Step 5: Solve for x
   x = 72,154,011.06/9,523.72
6. Step 6: Final answer
   x = 7,576.24