Finding the Fourth Proportional to 30,558.35, 42,160.56 and 17,808.62

Step by Step Solution

1. Step 1: Write the proportion equation
   30,558.35 : 42,160.56 = 17,808.62 : x
2. Step 2: Convert to fraction form
   30,558.35/42,160.56 = 17,808.62/x
3. Step 3: Cross multiply
   30,558.35x = 42,160.56 × 17,808.62
4. Step 4: Simplify right side
   30,558.35x = 750,821,156.61
5. Step 5: Solve for x
   x = 750,821,156.61/30,558.35
6. Step 6: Final answer
   x = 24,570.08