Finding the Fourth Proportional to 35,211.56, 48,591.98 and 21,067.76

Step by Step Solution

1. Step 1: Write the proportion equation
   35,211.56 : 48,591.98 = 21,067.76 : x
2. Step 2: Convert to fraction form
   35,211.56/48,591.98 = 21,067.76/x
3. Step 3: Cross multiply
   35,211.56x = 48,591.98 × 21,067.76
4. Step 4: Simplify right side
   35,211.56x = 1,023,724,172.56
5. Step 5: Solve for x
   x = 1,023,724,172.56/35,211.56
6. Step 6: Final answer
   x = 29,073.53