Finding the Fourth Proportional to 47,013, 64,875.78 and 28,160.52

Step by Step Solution

1. Step 1: Write the proportion equation
   47,013 : 64,875.78 = 28,160.52 : x
2. Step 2: Convert to fraction form
   47,013/64,875.78 = 28,160.52/x
3. Step 3: Cross multiply
   47,013x = 64,875.78 × 28,160.52
4. Step 4: Simplify right side
   47,013x = 1,826,935,700.21
5. Step 5: Solve for x
   x = 1,826,935,700.21/47,013
6. Step 6: Final answer
   x = 38,860.22