Finding the Fourth Proportional to 52,216.79, 72,059.25 and 28,343.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,216.79 : 72,059.25 = 28,343.48 : x
2. Step 2: Convert to fraction form
   52,216.79/72,059.25 = 28,343.48/x
3. Step 3: Cross multiply
   52,216.79x = 72,059.25 × 28,343.48
4. Step 4: Simplify right side
   52,216.79x = 2,042,409,550.89
5. Step 5: Solve for x
   x = 2,042,409,550.89/52,216.79
6. Step 6: Final answer
   x = 39,114.04