Finding the Fourth Proportional to 30,068.52, 41,492.55 and 16,638.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,068.52 : 41,492.55 = 16,638.82 : x
2. Step 2: Convert to fraction form
   30,068.52/41,492.55 = 16,638.82/x
3. Step 3: Cross multiply
   30,068.52x = 41,492.55 × 16,638.82
4. Step 4: Simplify right side
   30,068.52x = 690,387,029.46
5. Step 5: Solve for x
   x = 690,387,029.46/30,068.52
6. Step 6: Final answer
   x = 22,960.46