Finding the Fourth Proportional to 52,410.48, 72,324.72 and 28,536.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,410.48 : 72,324.72 = 28,536.72 : x
2. Step 2: Convert to fraction form
   52,410.48/72,324.72 = 28,536.72/x
3. Step 3: Cross multiply
   52,410.48x = 72,324.72 × 28,536.72
4. Step 4: Simplify right side
   52,410.48x = 2,063,910,283.72
5. Step 5: Solve for x
   x = 2,063,910,283.72/52,410.48
6. Step 6: Final answer
   x = 39,379.72