Finding the Fourth Proportional to 21,980.26, 32,969.94 and 14,086.61

Step by Step Solution

1. Step 1: Write the proportion equation
   21,980.26 : 32,969.94 = 14,086.61 : x
2. Step 2: Convert to fraction form
   21,980.26/32,969.94 = 14,086.61/x
3. Step 3: Cross multiply
   21,980.26x = 32,969.94 × 14,086.61
4. Step 4: Simplify right side
   21,980.26x = 464,434,592.47
5. Step 5: Solve for x
   x = 464,434,592.47/21,980.26
6. Step 6: Final answer
   x = 21,129.62