Finding the Fourth Proportional to 10,499.76, 15,751.18 and 4,874.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.76 : 15,751.18 = 4,874.73 : x
2. Step 2: Convert to fraction form
   10,499.76/15,751.18 = 4,874.73/x
3. Step 3: Cross multiply
   10,499.76x = 15,751.18 × 4,874.73
4. Step 4: Simplify right side
   10,499.76x = 76,782,799.02
5. Step 5: Solve for x
   x = 76,782,799.02/10,499.76
6. Step 6: Final answer
   x = 7,312.81