Finding the Fourth Proportional to 30,950.56, 42,722.88 and 18,375.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,950.56 : 42,722.88 = 18,375.32 : x
2. Step 2: Convert to fraction form
   30,950.56/42,722.88 = 18,375.32/x
3. Step 3: Cross multiply
   30,950.56x = 42,722.88 × 18,375.32
4. Step 4: Simplify right side
   30,950.56x = 785,046,591.32
5. Step 5: Solve for x
   x = 785,046,591.32/30,950.56
6. Step 6: Final answer
   x = 25,364.54