Finding the Fourth Proportional to 74,517.57, 111,777.17 and 21,928.05

Step by Step Solution

1. Step 1: Write the proportion equation
   74,517.57 : 111,777.17 = 21,928.05 : x
2. Step 2: Convert to fraction form
   74,517.57/111,777.17 = 21,928.05/x
3. Step 3: Cross multiply
   74,517.57x = 111,777.17 × 21,928.05
4. Step 4: Simplify right side
   74,517.57x = 2,451,055,262.98
5. Step 5: Solve for x
   x = 2,451,055,262.98/74,517.57
6. Step 6: Final answer
   x = 32,892.31