Finding the Fourth Proportional to 30,759.87, 42,448.61 and 16,612.71

Step by Step Solution

1. Step 1: Write the proportion equation
   30,759.87 : 42,448.61 = 16,612.71 : x
2. Step 2: Convert to fraction form
   30,759.87/42,448.61 = 16,612.71/x
3. Step 3: Cross multiply
   30,759.87x = 42,448.61 × 16,612.71
4. Step 4: Simplify right side
   30,759.87x = 705,186,447.83
5. Step 5: Solve for x
   x = 705,186,447.83/30,759.87
6. Step 6: Final answer
   x = 22,925.53