Finding the Fourth Proportional to 30,889.16, 42,627.04 and 16,742.02

Step by Step Solution

1. Step 1: Write the proportion equation
   30,889.16 : 42,627.04 = 16,742.02 : x
2. Step 2: Convert to fraction form
   30,889.16/42,627.04 = 16,742.02/x
3. Step 3: Cross multiply
   30,889.16x = 42,627.04 × 16,742.02
4. Step 4: Simplify right side
   30,889.16x = 713,662,756.22
5. Step 5: Solve for x
   x = 713,662,756.22/30,889.16
6. Step 6: Final answer
   x = 23,103.99