Finding the Fourth Proportional to 22,158.91, 33,160.35 and 13,842.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,158.91 : 33,160.35 = 13,842.84 : x
2. Step 2: Convert to fraction form
   22,158.91/33,160.35 = 13,842.84/x
3. Step 3: Cross multiply
   22,158.91x = 33,160.35 × 13,842.84
4. Step 4: Simplify right side
   22,158.91x = 459,033,419.39
5. Step 5: Solve for x
   x = 459,033,419.39/22,158.91
6. Step 6: Final answer
   x = 20,715.52