Finding the Fourth Proportional to 21,978.03, 32,962.03 and 10,120.44

Step by Step Solution

1. Step 1: Write the proportion equation
   21,978.03 : 32,962.03 = 10,120.44 : x
2. Step 2: Convert to fraction form
   21,978.03/32,962.03 = 10,120.44/x
3. Step 3: Cross multiply
   21,978.03x = 32,962.03 × 10,120.44
4. Step 4: Simplify right side
   21,978.03x = 333,590,246.89
5. Step 5: Solve for x
   x = 333,590,246.89/21,978.03
6. Step 6: Final answer
   x = 15,178.35