Finding the Fourth Proportional to 42,772.67, 64,169.94 and 17,804.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,772.67 : 64,169.94 = 17,804.42 : x
2. Step 2: Convert to fraction form
   42,772.67/64,169.94 = 17,804.42/x
3. Step 3: Cross multiply
   42,772.67x = 64,169.94 × 17,804.42
4. Step 4: Simplify right side
   42,772.67x = 1,142,508,563.13
5. Step 5: Solve for x
   x = 1,142,508,563.13/42,772.67
6. Step 6: Final answer
   x = 26,711.18