Finding the Fourth Proportional to 42,662.57, 63,966.51 and 17,719.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,662.57 : 63,966.51 = 17,719.83 : x
2. Step 2: Convert to fraction form
   42,662.57/63,966.51 = 17,719.83/x
3. Step 3: Cross multiply
   42,662.57x = 63,966.51 × 17,719.83
4. Step 4: Simplify right side
   42,662.57x = 1,133,475,682.89
5. Step 5: Solve for x
   x = 1,133,475,682.89/42,662.57
6. Step 6: Final answer
   x = 26,568.39