Finding the Fourth Proportional to 21,693.59, 29,926.37 and 14,607.71

Step by Step Solution

1. Step 1: Write the proportion equation
   21,693.59 : 29,926.37 = 14,607.71 : x
2. Step 2: Convert to fraction form
   21,693.59/29,926.37 = 14,607.71/x
3. Step 3: Cross multiply
   21,693.59x = 29,926.37 × 14,607.71
4. Step 4: Simplify right side
   21,693.59x = 437,155,661.27
5. Step 5: Solve for x
   x = 437,155,661.27/21,693.59
6. Step 6: Final answer
   x = 20,151.37