Finding the Fourth Proportional to 51,241.55, 70,713.72 and 28,582.02

Step by Step Solution

1. Step 1: Write the proportion equation
   51,241.55 : 70,713.72 = 28,582.02 : x
2. Step 2: Convert to fraction form
   51,241.55/70,713.72 = 28,582.02/x
3. Step 3: Cross multiply
   51,241.55x = 70,713.72 × 28,582.02
4. Step 4: Simplify right side
   51,241.55x = 2,021,140,959.31
5. Step 5: Solve for x
   x = 2,021,140,959.31/51,241.55
6. Step 6: Final answer
   x = 39,443.40