Finding the Fourth Proportional to 30,903.48, 42,646.50 and 16,756.08

Step by Step Solution

1. Step 1: Write the proportion equation
   30,903.48 : 42,646.50 = 16,756.08 : x
2. Step 2: Convert to fraction form
   30,903.48/42,646.50 = 16,756.08/x
3. Step 3: Cross multiply
   30,903.48x = 42,646.50 × 16,756.08
4. Step 4: Simplify right side
   30,903.48x = 714,588,165.72
5. Step 5: Solve for x
   x = 714,588,165.72/30,903.48
6. Step 6: Final answer
   x = 23,123.23