Finding the Fourth Proportional to 52,388.78, 72,292.80 and 28,514.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,388.78 : 72,292.80 = 28,514.94 : x
2. Step 2: Convert to fraction form
   52,388.78/72,292.80 = 28,514.94/x
3. Step 3: Cross multiply
   52,388.78x = 72,292.80 × 28,514.94
4. Step 4: Simplify right side
   52,388.78x = 2,061,424,690.27
5. Step 5: Solve for x
   x = 2,061,424,690.27/52,388.78
6. Step 6: Final answer
   x = 39,348.60