Finding the Fourth Proportional to 13,134.43, 19,658.51 and 9,997.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,134.43 : 19,658.51 = 9,997.50 : x
2. Step 2: Convert to fraction form
   13,134.43/19,658.51 = 9,997.50/x
3. Step 3: Cross multiply
   13,134.43x = 19,658.51 × 9,997.50
4. Step 4: Simplify right side
   13,134.43x = 196,535,953.73
5. Step 5: Solve for x
   x = 196,535,953.73/13,134.43
6. Step 6: Final answer
   x = 14,963.42