Finding the Fourth Proportional to 30,771.16, 42,464.23 and 16,624.01

Step by Step Solution

1. Step 1: Write the proportion equation
   30,771.16 : 42,464.23 = 16,624.01 : x
2. Step 2: Convert to fraction form
   30,771.16/42,464.23 = 16,624.01/x
3. Step 3: Cross multiply
   30,771.16x = 42,464.23 × 16,624.01
4. Step 4: Simplify right side
   30,771.16x = 705,925,848.76
5. Step 5: Solve for x
   x = 705,925,848.76/30,771.16
6. Step 6: Final answer
   x = 22,941.15