Finding the Fourth Proportional to 42,665.72, 63,993.58 and 26,823.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,665.72 : 63,993.58 = 26,823.98 : x
2. Step 2: Convert to fraction form
   42,665.72/63,993.58 = 26,823.98/x
3. Step 3: Cross multiply
   42,665.72x = 63,993.58 × 26,823.98
4. Step 4: Simplify right side
   42,665.72x = 1,716,562,778.51
5. Step 5: Solve for x
   x = 1,716,562,778.51/42,665.72
6. Step 6: Final answer
   x = 40,232.83