Finding the Fourth Proportional to 30,335.72, 41,864.72 and 16,907.07

Step by Step Solution

1. Step 1: Write the proportion equation
   30,335.72 : 41,864.72 = 16,907.07 : x
2. Step 2: Convert to fraction form
   30,335.72/41,864.72 = 16,907.07/x
3. Step 3: Cross multiply
   30,335.72x = 41,864.72 × 16,907.07
4. Step 4: Simplify right side
   30,335.72x = 707,809,751.61
5. Step 5: Solve for x
   x = 707,809,751.61/30,335.72
6. Step 6: Final answer
   x = 23,332.55