Finding the Fourth Proportional to 30,826.86, 42,541.11 and 18,077.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,826.86 : 42,541.11 = 18,077.82 : x
2. Step 2: Convert to fraction form
   30,826.86/42,541.11 = 18,077.82/x
3. Step 3: Cross multiply
   30,826.86x = 42,541.11 × 18,077.82
4. Step 4: Simplify right side
   30,826.86x = 769,050,529.18
5. Step 5: Solve for x
   x = 769,050,529.18/30,826.86
6. Step 6: Final answer
   x = 24,947.42