Finding the Fourth Proportional to 22,071.27, 30,428.53 and 14,985.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,071.27 : 30,428.53 = 14,985.39 : x
2. Step 2: Convert to fraction form
   22,071.27/30,428.53 = 14,985.39/x
3. Step 3: Cross multiply
   22,071.27x = 30,428.53 × 14,985.39
4. Step 4: Simplify right side
   22,071.27x = 455,983,389.18
5. Step 5: Solve for x
   x = 455,983,389.18/22,071.27
6. Step 6: Final answer
   x = 20,659.59