Finding the Fourth Proportional to 52,386.30, 72,294.39 and 28,514.28

Step by Step Solution

1. Step 1: Write the proportion equation
   52,386.30 : 72,294.39 = 28,514.28 : x
2. Step 2: Convert to fraction form
   52,386.30/72,294.39 = 28,514.28/x
3. Step 3: Cross multiply
   52,386.30x = 72,294.39 × 28,514.28
4. Step 4: Simplify right side
   52,386.30x = 2,061,422,478.89
5. Step 5: Solve for x
   x = 2,061,422,478.89/52,386.30
6. Step 6: Final answer
   x = 39,350.41