Finding the Fourth Proportional to 30,980.08, 42,751.56 and 16,832.62

Step by Step Solution

1. Step 1: Write the proportion equation
   30,980.08 : 42,751.56 = 16,832.62 : x
2. Step 2: Convert to fraction form
   30,980.08/42,751.56 = 16,832.62/x
3. Step 3: Cross multiply
   30,980.08x = 42,751.56 × 16,832.62
4. Step 4: Simplify right side
   30,980.08x = 719,620,763.89
5. Step 5: Solve for x
   x = 719,620,763.89/30,980.08
6. Step 6: Final answer
   x = 23,228.50