Finding the Fourth Proportional to 52,667.01, 72,680.47 and 28,793.68

Step by Step Solution

1. Step 1: Write the proportion equation
   52,667.01 : 72,680.47 = 28,793.68 : x
2. Step 2: Convert to fraction form
   52,667.01/72,680.47 = 28,793.68/x
3. Step 3: Cross multiply
   52,667.01x = 72,680.47 × 28,793.68
4. Step 4: Simplify right side
   52,667.01x = 2,092,738,195.43
5. Step 5: Solve for x
   x = 2,092,738,195.43/52,667.01
6. Step 6: Final answer
   x = 39,735.28