Finding the Fourth Proportional to 30,977.48, 42,747.82 and 16,830.04

Step by Step Solution

1. Step 1: Write the proportion equation
   30,977.48 : 42,747.82 = 16,830.04 : x
2. Step 2: Convert to fraction form
   30,977.48/42,747.82 = 16,830.04/x
3. Step 3: Cross multiply
   30,977.48x = 42,747.82 × 16,830.04
4. Step 4: Simplify right side
   30,977.48x = 719,447,520.51
5. Step 5: Solve for x
   x = 719,447,520.51/30,977.48
6. Step 6: Final answer
   x = 23,224.86