Finding the Fourth Proportional to 10,483.12, 15,724.83 and 2,691.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,483.12 : 15,724.83 = 2,691.76 : x
2. Step 2: Convert to fraction form
   10,483.12/15,724.83 = 2,691.76/x
3. Step 3: Cross multiply
   10,483.12x = 15,724.83 × 2,691.76
4. Step 4: Simplify right side
   10,483.12x = 42,327,396.51
5. Step 5: Solve for x
   x = 42,327,396.51/10,483.12
6. Step 6: Final answer
   x = 4,037.67