Finding the Fourth Proportional to 48,109.14, 72,178.29 and 21,806.82

Step by Step Solution

1. Step 1: Write the proportion equation
   48,109.14 : 72,178.29 = 21,806.82 : x
2. Step 2: Convert to fraction form
   48,109.14/72,178.29 = 21,806.82/x
3. Step 3: Cross multiply
   48,109.14x = 72,178.29 × 21,806.82
4. Step 4: Simplify right side
   48,109.14x = 1,573,978,977.94
5. Step 5: Solve for x
   x = 1,573,978,977.94/48,109.14
6. Step 6: Final answer
   x = 32,716.84