Finding the Fourth Proportional to 52,767.99, 72,819.86 and 28,568.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,767.99 : 72,819.86 = 28,568.96 : x
2. Step 2: Convert to fraction form
   52,767.99/72,819.86 = 28,568.96/x
3. Step 3: Cross multiply
   52,767.99x = 72,819.86 × 28,568.96
4. Step 4: Simplify right side
   52,767.99x = 2,080,387,667.55
5. Step 5: Solve for x
   x = 2,080,387,667.55/52,767.99
6. Step 6: Final answer
   x = 39,425.18