Finding the Fourth Proportional to 21,980.89, 32,978.63 and 14,614.35

Step by Step Solution

1. Step 1: Write the proportion equation
   21,980.89 : 32,978.63 = 14,614.35 : x
2. Step 2: Convert to fraction form
   21,980.89/32,978.63 = 14,614.35/x
3. Step 3: Cross multiply
   21,980.89x = 32,978.63 × 14,614.35
4. Step 4: Simplify right side
   21,980.89x = 481,961,241.34
5. Step 5: Solve for x
   x = 481,961,241.34/21,980.89
6. Step 6: Final answer
   x = 21,926.38