Finding the Fourth Proportional to 17,978.22, 24,810.80 and 10,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.22 : 24,810.80 = 10,020.50 : x
2. Step 2: Convert to fraction form
   17,978.22/24,810.80 = 10,020.50/x
3. Step 3: Cross multiply
   17,978.22x = 24,810.80 × 10,020.50
4. Step 4: Simplify right side
   17,978.22x = 248,616,633.32
5. Step 5: Solve for x
   x = 248,616,633.32/17,978.22
6. Step 6: Final answer
   x = 13,828.77