Finding the Fourth Proportional to 42,975.24, 64,461.43 and 17,673.87

Step by Step Solution

1. Step 1: Write the proportion equation
   42,975.24 : 64,461.43 = 17,673.87 : x
2. Step 2: Convert to fraction form
   42,975.24/64,461.43 = 17,673.87/x
3. Step 3: Cross multiply
   42,975.24x = 64,461.43 × 17,673.87
4. Step 4: Simplify right side
   42,975.24x = 1,139,282,933.83
5. Step 5: Solve for x
   x = 1,139,282,933.83/42,975.24
6. Step 6: Final answer
   x = 26,510.22