Finding the Fourth Proportional to 42,623.24, 63,980.94 and 18,016.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,623.24 : 63,980.94 = 18,016.52 : x
2. Step 2: Convert to fraction form
   42,623.24/63,980.94 = 18,016.52/x
3. Step 3: Cross multiply
   42,623.24x = 63,980.94 × 18,016.52
4. Step 4: Simplify right side
   42,623.24x = 1,152,713,885.13
5. Step 5: Solve for x
   x = 1,152,713,885.13/42,623.24
6. Step 6: Final answer
   x = 27,044.26