Finding the Fourth Proportional to 30,759.22, 42,447.72 and 16,612.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,759.22 : 42,447.72 = 16,612.06 : x
2. Step 2: Convert to fraction form
   30,759.22/42,447.72 = 16,612.06/x
3. Step 3: Cross multiply
   30,759.22x = 42,447.72 × 16,612.06
4. Step 4: Simplify right side
   30,759.22x = 705,144,071.50
5. Step 5: Solve for x
   x = 705,144,071.50/30,759.22
6. Step 6: Final answer
   x = 22,924.64