Finding the Fourth Proportional to 30,903.82, 42,646.86 and 16,756.36

Step by Step Solution

1. Step 1: Write the proportion equation
   30,903.82 : 42,646.86 = 16,756.36 : x
2. Step 2: Convert to fraction form
   30,903.82/42,646.86 = 16,756.36/x
3. Step 3: Cross multiply
   30,903.82x = 42,646.86 × 16,756.36
4. Step 4: Simplify right side
   30,903.82x = 714,606,139.03
5. Step 5: Solve for x
   x = 714,606,139.03/30,903.82
6. Step 6: Final answer
   x = 23,123.55