Finding the Fourth Proportional to 16,189.04, 22,359.30 and 15,970.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,189.04 : 22,359.30 = 15,970.88 : x
2. Step 2: Convert to fraction form
   16,189.04/22,359.30 = 15,970.88/x
3. Step 3: Cross multiply
   16,189.04x = 22,359.30 × 15,970.88
4. Step 4: Simplify right side
   16,189.04x = 357,097,697.18
5. Step 5: Solve for x
   x = 357,097,697.18/16,189.04
6. Step 6: Final answer
   x = 22,057.99