Finding the Fourth Proportional to 14,019.61, 19,346.81 and 7,646.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,019.61 : 19,346.81 = 7,646.25 : x
2. Step 2: Convert to fraction form
   14,019.61/19,346.81 = 7,646.25/x
3. Step 3: Cross multiply
   14,019.61x = 19,346.81 × 7,646.25
4. Step 4: Simplify right side
   14,019.61x = 147,930,545.96
5. Step 5: Solve for x
   x = 147,930,545.96/14,019.61
6. Step 6: Final answer
   x = 10,551.69