Finding the Fourth Proportional to 47,513.18, 71,127.78 and 28,736.42

Step by Step Solution

1. Step 1: Write the proportion equation
   47,513.18 : 71,127.78 = 28,736.42 : x
2. Step 2: Convert to fraction form
   47,513.18/71,127.78 = 28,736.42/x
3. Step 3: Cross multiply
   47,513.18x = 71,127.78 × 28,736.42
4. Step 4: Simplify right side
   47,513.18x = 2,043,957,404.11
5. Step 5: Solve for x
   x = 2,043,957,404.11/47,513.18
6. Step 6: Final answer
   x = 43,018.75