Finding the Fourth Proportional to 14,003.34, 19,320.72 and 9,749.70

Step by Step Solution

1. Step 1: Write the proportion equation
   14,003.34 : 19,320.72 = 9,749.70 : x
2. Step 2: Convert to fraction form
   14,003.34/19,320.72 = 9,749.70/x
3. Step 3: Cross multiply
   14,003.34x = 19,320.72 × 9,749.70
4. Step 4: Simplify right side
   14,003.34x = 188,371,223.78
5. Step 5: Solve for x
   x = 188,371,223.78/14,003.34
6. Step 6: Final answer
   x = 13,451.88