Finding the Fourth Proportional to 47,299.52, 65,284.71 and 28,433

Step by Step Solution

1. Step 1: Write the proportion equation
   47,299.52 : 65,284.71 = 28,433 : x
2. Step 2: Convert to fraction form
   47,299.52/65,284.71 = 28,433/x
3. Step 3: Cross multiply
   47,299.52x = 65,284.71 × 28,433
4. Step 4: Simplify right side
   47,299.52x = 1,856,240,159.43
5. Step 5: Solve for x
   x = 1,856,240,159.43/47,299.52
6. Step 6: Final answer
   x = 39,244.38