Finding the Fourth Proportional to 30,816.54, 42,526.71 and 16,669.35

Step by Step Solution

1. Step 1: Write the proportion equation
   30,816.54 : 42,526.71 = 16,669.35 : x
2. Step 2: Convert to fraction form
   30,816.54/42,526.71 = 16,669.35/x
3. Step 3: Cross multiply
   30,816.54x = 42,526.71 × 16,669.35
4. Step 4: Simplify right side
   30,816.54x = 708,892,613.34
5. Step 5: Solve for x
   x = 708,892,613.34/30,816.54
6. Step 6: Final answer
   x = 23,003.64