Finding the Fourth Proportional to 31,824.43, 47,730.50 and 30,243.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,824.43 : 47,730.50 = 30,243.87 : x
2. Step 2: Convert to fraction form
   31,824.43/47,730.50 = 30,243.87/x
3. Step 3: Cross multiply
   31,824.43x = 47,730.50 × 30,243.87
4. Step 4: Simplify right side
   31,824.43x = 1,443,554,885.82
5. Step 5: Solve for x
   x = 1,443,554,885.82/31,824.43
6. Step 6: Final answer
   x = 45,359.96