Finding the Fourth Proportional to 30,903.30, 42,646.32 and 16,756.04

Step by Step Solution

1. Step 1: Write the proportion equation
   30,903.30 : 42,646.32 = 16,756.04 : x
2. Step 2: Convert to fraction form
   30,903.30/42,646.32 = 16,756.04/x
3. Step 3: Cross multiply
   30,903.30x = 42,646.32 × 16,756.04
4. Step 4: Simplify right side
   30,903.30x = 714,583,443.77
5. Step 5: Solve for x
   x = 714,583,443.77/30,903.30
6. Step 6: Final answer
   x = 23,123.21