Finding the Fourth Proportional to 28,633.16, 42,944.76 and 7,573.42

Step by Step Solution

1. Step 1: Write the proportion equation
   28,633.16 : 42,944.76 = 7,573.42 : x
2. Step 2: Convert to fraction form
   28,633.16/42,944.76 = 7,573.42/x
3. Step 3: Cross multiply
   28,633.16x = 42,944.76 × 7,573.42
4. Step 4: Simplify right side
   28,633.16x = 325,238,704.28
5. Step 5: Solve for x
   x = 325,238,704.28/28,633.16
6. Step 6: Final answer
   x = 11,358.81