Finding the Fourth Proportional to 30,562, 42,158.28 and 17,813.68

Step by Step Solution

1. Step 1: Write the proportion equation
   30,562 : 42,158.28 = 17,813.68 : x
2. Step 2: Convert to fraction form
   30,562/42,158.28 = 17,813.68/x
3. Step 3: Cross multiply
   30,562x = 42,158.28 × 17,813.68
4. Step 4: Simplify right side
   30,562x = 750,994,109.27
5. Step 5: Solve for x
   x = 750,994,109.27/30,562
6. Step 6: Final answer
   x = 24,572.81