Finding the Fourth Proportional to 52,386.23, 72,294.53 and 28,514.45

Step by Step Solution

1. Step 1: Write the proportion equation
   52,386.23 : 72,294.53 = 28,514.45 : x
2. Step 2: Convert to fraction form
   52,386.23/72,294.53 = 28,514.45/x
3. Step 3: Cross multiply
   52,386.23x = 72,294.53 × 28,514.45
4. Step 4: Simplify right side
   52,386.23x = 2,061,438,760.96
5. Step 5: Solve for x
   x = 2,061,438,760.96/52,386.23
6. Step 6: Final answer
   x = 39,350.78