Finding the Fourth Proportional to 21,667.05, 29,914.43 and 17,697.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,667.05 : 29,914.43 = 17,697.69 : x
2. Step 2: Convert to fraction form
   21,667.05/29,914.43 = 17,697.69/x
3. Step 3: Cross multiply
   21,667.05x = 29,914.43 × 17,697.69
4. Step 4: Simplify right side
   21,667.05x = 529,416,308.67
5. Step 5: Solve for x
   x = 529,416,308.67/21,667.05
6. Step 6: Final answer
   x = 24,434.17