Finding the Fourth Proportional to 52,782.98, 72,841.35 and 28,911.92

Step by Step Solution

1. Step 1: Write the proportion equation
   52,782.98 : 72,841.35 = 28,911.92 : x
2. Step 2: Convert to fraction form
   52,782.98/72,841.35 = 28,911.92/x
3. Step 3: Cross multiply
   52,782.98x = 72,841.35 × 28,911.92
4. Step 4: Simplify right side
   52,782.98x = 2,105,983,283.89
5. Step 5: Solve for x
   x = 2,105,983,283.89/52,782.98
6. Step 6: Final answer
   x = 39,898.91