Finding the Fourth Proportional to 14,429.67, 21,645.32 and 7,040.45

Step by Step Solution

1. Step 1: Write the proportion equation
   14,429.67 : 21,645.32 = 7,040.45 : x
2. Step 2: Convert to fraction form
   14,429.67/21,645.32 = 7,040.45/x
3. Step 3: Cross multiply
   14,429.67x = 21,645.32 × 7,040.45
4. Step 4: Simplify right side
   14,429.67x = 152,392,649.77
5. Step 5: Solve for x
   x = 152,392,649.77/14,429.67
6. Step 6: Final answer
   x = 10,561.06