Finding the Fourth Proportional to 28,105.83, 42,161.16 and 11,467.02

Step by Step Solution

1. Step 1: Write the proportion equation
   28,105.83 : 42,161.16 = 11,467.02 : x
2. Step 2: Convert to fraction form
   28,105.83/42,161.16 = 11,467.02/x
3. Step 3: Cross multiply
   28,105.83x = 42,161.16 × 11,467.02
4. Step 4: Simplify right side
   28,105.83x = 483,462,864.94
5. Step 5: Solve for x
   x = 483,462,864.94/28,105.83
6. Step 6: Final answer
   x = 17,201.52