Finding the Fourth Proportional to 30,851.32, 42,574.32 and 16,703.86

Step by Step Solution

1. Step 1: Write the proportion equation
   30,851.32 : 42,574.32 = 16,703.86 : x
2. Step 2: Convert to fraction form
   30,851.32/42,574.32 = 16,703.86/x
3. Step 3: Cross multiply
   30,851.32x = 42,574.32 × 16,703.86
4. Step 4: Simplify right side
   30,851.32x = 711,155,480.88
5. Step 5: Solve for x
   x = 711,155,480.88/30,851.32
6. Step 6: Final answer
   x = 23,051.06