Finding the Fourth Proportional to 17,978.36, 24,810.14 and 10,020.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.36 : 24,810.14 = 10,020.56 : x
2. Step 2: Convert to fraction form
   17,978.36/24,810.14 = 10,020.56/x
3. Step 3: Cross multiply
   17,978.36x = 24,810.14 × 10,020.56
4. Step 4: Simplify right side
   17,978.36x = 248,611,397.48
5. Step 5: Solve for x
   x = 248,611,397.48/17,978.36
6. Step 6: Final answer
   x = 13,828.37