Finding the Fourth Proportional to 30,066.53, 41,491.86 and 16,638.35

Step by Step Solution

1. Step 1: Write the proportion equation
   30,066.53 : 41,491.86 = 16,638.35 : x
2. Step 2: Convert to fraction form
   30,066.53/41,491.86 = 16,638.35/x
3. Step 3: Cross multiply
   30,066.53x = 41,491.86 × 16,638.35
4. Step 4: Simplify right side
   30,066.53x = 690,356,088.83
5. Step 5: Solve for x
   x = 690,356,088.83/30,066.53
6. Step 6: Final answer
   x = 22,960.95