Finding the Fourth Proportional to 28,071.97, 42,093.83 and 9,345.33

Step by Step Solution

1. Step 1: Write the proportion equation
   28,071.97 : 42,093.83 = 9,345.33 : x
2. Step 2: Convert to fraction form
   28,071.97/42,093.83 = 9,345.33/x
3. Step 3: Cross multiply
   28,071.97x = 42,093.83 × 9,345.33
4. Step 4: Simplify right side
   28,071.97x = 393,380,562.78
5. Step 5: Solve for x
   x = 393,380,562.78/28,071.97
6. Step 6: Final answer
   x = 14,013.29