Finding the Fourth Proportional to 9,953.71, 13,737.69 and 7,273.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,953.71 : 13,737.69 = 7,273.72 : x
2. Step 2: Convert to fraction form
   9,953.71/13,737.69 = 7,273.72/x
3. Step 3: Cross multiply
   9,953.71x = 13,737.69 × 7,273.72
4. Step 4: Simplify right side
   9,953.71x = 99,924,137.55
5. Step 5: Solve for x
   x = 99,924,137.55/9,953.71
6. Step 6: Final answer
   x = 10,038.89