Finding the Fourth Proportional to 42,443.50, 63,669.30 and 17,485.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443.50 : 63,669.30 = 17,485.24 : x
2. Step 2: Convert to fraction form
   42,443.50/63,669.30 = 17,485.24/x
3. Step 3: Cross multiply
   42,443.50x = 63,669.30 × 17,485.24
4. Step 4: Simplify right side
   42,443.50x = 1,113,272,991.13
5. Step 5: Solve for x
   x = 1,113,272,991.13/42,443.50
6. Step 6: Final answer
   x = 26,229.53