Finding the Fourth Proportional to 22,086.42, 30,438.28 and 16,412.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,086.42 : 30,438.28 = 16,412.17 : x
2. Step 2: Convert to fraction form
   22,086.42/30,438.28 = 16,412.17/x
3. Step 3: Cross multiply
   22,086.42x = 30,438.28 × 16,412.17
4. Step 4: Simplify right side
   22,086.42x = 499,558,225.87
5. Step 5: Solve for x
   x = 499,558,225.87/22,086.42
6. Step 6: Final answer
   x = 22,618.34