Finding the Fourth Proportional to 10,919.51, 16,365.56 and 4,672.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,919.51 : 16,365.56 = 4,672.17 : x
2. Step 2: Convert to fraction form
   10,919.51/16,365.56 = 4,672.17/x
3. Step 3: Cross multiply
   10,919.51x = 16,365.56 × 4,672.17
4. Step 4: Simplify right side
   10,919.51x = 76,462,655.10
5. Step 5: Solve for x
   x = 76,462,655.10/10,919.51
6. Step 6: Final answer
   x = 7,002.39