Finding the Fourth Proportional to 30,804.57, 42,521.83 and 23,985.11

Step by Step Solution

1. Step 1: Write the proportion equation
   30,804.57 : 42,521.83 = 23,985.11 : x
2. Step 2: Convert to fraction form
   30,804.57/42,521.83 = 23,985.11/x
3. Step 3: Cross multiply
   30,804.57x = 42,521.83 × 23,985.11
4. Step 4: Simplify right side
   30,804.57x = 1,019,890,816.29
5. Step 5: Solve for x
   x = 1,019,890,816.29/30,804.57
6. Step 6: Final answer
   x = 33,108.43