Finding the Fourth Proportional to 42,356.34, 63,530.04 and 17,399.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,356.34 : 63,530.04 = 17,399.02 : x
2. Step 2: Convert to fraction form
   42,356.34/63,530.04 = 17,399.02/x
3. Step 3: Cross multiply
   42,356.34x = 63,530.04 × 17,399.02
4. Step 4: Simplify right side
   42,356.34x = 1,105,360,436.56
5. Step 5: Solve for x
   x = 1,105,360,436.56/42,356.34
6. Step 6: Final answer
   x = 26,096.69