Finding the Fourth Proportional to 22,171.76, 30,602.04 and 15,101

Step by Step Solution

1. Step 1: Write the proportion equation
   22,171.76 : 30,602.04 = 15,101 : x
2. Step 2: Convert to fraction form
   22,171.76/30,602.04 = 15,101/x
3. Step 3: Cross multiply
   22,171.76x = 30,602.04 × 15,101
4. Step 4: Simplify right side
   22,171.76x = 462,121,406.04
5. Step 5: Solve for x
   x = 462,121,406.04/22,171.76
6. Step 6: Final answer
   x = 20,842.79