Finding the Fourth Proportional to 17,978.34, 24,810.16 and 10,020.36

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.34 : 24,810.16 = 10,020.36 : x
2. Step 2: Convert to fraction form
   17,978.34/24,810.16 = 10,020.36/x
3. Step 3: Cross multiply
   17,978.34x = 24,810.16 × 10,020.36
4. Step 4: Simplify right side
   17,978.34x = 248,606,734.86
5. Step 5: Solve for x
   x = 248,606,734.86/17,978.34
6. Step 6: Final answer
   x = 13,828.13