Finding the Fourth Proportional to 52,695.76, 72,719.56 and 28,823.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,695.76 : 72,719.56 = 28,823.12 : x
2. Step 2: Convert to fraction form
   52,695.76/72,719.56 = 28,823.12/x
3. Step 3: Cross multiply
   52,695.76x = 72,719.56 × 28,823.12
4. Step 4: Simplify right side
   52,695.76x = 2,096,004,604.23
5. Step 5: Solve for x
   x = 2,096,004,604.23/52,695.76
6. Step 6: Final answer
   x = 39,775.58