Finding the Fourth Proportional to 30,060.72, 41,482.72 and 16,631.92

Step by Step Solution

1. Step 1: Write the proportion equation
   30,060.72 : 41,482.72 = 16,631.92 : x
2. Step 2: Convert to fraction form
   30,060.72/41,482.72 = 16,631.92/x
3. Step 3: Cross multiply
   30,060.72x = 41,482.72 × 16,631.92
4. Step 4: Simplify right side
   30,060.72x = 689,937,280.42
5. Step 5: Solve for x
   x = 689,937,280.42/30,060.72
6. Step 6: Final answer
   x = 22,951.46