Finding the Fourth Proportional to 52,654.65, 72,662.56 and 28,780.84

Step by Step Solution

1. Step 1: Write the proportion equation
   52,654.65 : 72,662.56 = 28,780.84 : x
2. Step 2: Convert to fraction form
   52,654.65/72,662.56 = 28,780.84/x
3. Step 3: Cross multiply
   52,654.65x = 72,662.56 × 28,780.84
4. Step 4: Simplify right side
   52,654.65x = 2,091,289,513.35
5. Step 5: Solve for x
   x = 2,091,289,513.35/52,654.65
6. Step 6: Final answer
   x = 39,717.09