Finding the Fourth Proportional to 30,469.83, 45,711.57 and 10,748.55

Step by Step Solution

1. Step 1: Write the proportion equation
   30,469.83 : 45,711.57 = 10,748.55 : x
2. Step 2: Convert to fraction form
   30,469.83/45,711.57 = 10,748.55/x
3. Step 3: Cross multiply
   30,469.83x = 45,711.57 × 10,748.55
4. Step 4: Simplify right side
   30,469.83x = 491,333,095.72
5. Step 5: Solve for x
   x = 491,333,095.72/30,469.83
6. Step 6: Final answer
   x = 16,125.23