Finding the Fourth Proportional to 28,103.83, 42,158.16 and 11,465.02

Step by Step Solution

1. Step 1: Write the proportion equation
   28,103.83 : 42,158.16 = 11,465.02 : x
2. Step 2: Convert to fraction form
   28,103.83/42,158.16 = 11,465.02/x
3. Step 3: Cross multiply
   28,103.83x = 42,158.16 × 11,465.02
4. Step 4: Simplify right side
   28,103.83x = 483,344,147.56
5. Step 5: Solve for x
   x = 483,344,147.56/28,103.83
6. Step 6: Final answer
   x = 17,198.52