Finding the Fourth Proportional to 30,810.52, 42,518.52 and 16,663.36

Step by Step Solution

1. Step 1: Write the proportion equation
   30,810.52 : 42,518.52 = 16,663.36 : x
2. Step 2: Convert to fraction form
   30,810.52/42,518.52 = 16,663.36/x
3. Step 3: Cross multiply
   30,810.52x = 42,518.52 × 16,663.36
4. Step 4: Simplify right side
   30,810.52x = 708,501,405.43
5. Step 5: Solve for x
   x = 708,501,405.43/30,810.52
6. Step 6: Final answer
   x = 22,995.44