Finding the Fourth Proportional to 30,832.19, 42,548.72 and 16,685.34

Step by Step Solution

1. Step 1: Write the proportion equation
   30,832.19 : 42,548.72 = 16,685.34 : x
2. Step 2: Convert to fraction form
   30,832.19/42,548.72 = 16,685.34/x
3. Step 3: Cross multiply
   30,832.19x = 42,548.72 × 16,685.34
4. Step 4: Simplify right side
   30,832.19x = 709,939,859.76
5. Step 5: Solve for x
   x = 709,939,859.76/30,832.19
6. Step 6: Final answer
   x = 23,025.93