Finding the Fourth Proportional to 35,019.40, 48,327.72 and 21,409.68

Step by Step Solution

1. Step 1: Write the proportion equation
   35,019.40 : 48,327.72 = 21,409.68 : x
2. Step 2: Convert to fraction form
   35,019.40/48,327.72 = 21,409.68/x
3. Step 3: Cross multiply
   35,019.40x = 48,327.72 × 21,409.68
4. Step 4: Simplify right side
   35,019.40x = 1,034,681,020.33
5. Step 5: Solve for x
   x = 1,034,681,020.33/35,019.40
6. Step 6: Final answer
   x = 29,545.94