Finding the Fourth Proportional to 42,115.28, 63,118.28 and 17,126.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,115.28 : 63,118.28 = 17,126.24 : x
2. Step 2: Convert to fraction form
   42,115.28/63,118.28 = 17,126.24/x
3. Step 3: Cross multiply
   42,115.28x = 63,118.28 × 17,126.24
4. Step 4: Simplify right side
   42,115.28x = 1,080,978,538.89
5. Step 5: Solve for x
   x = 1,080,978,538.89/42,115.28
6. Step 6: Final answer
   x = 25,667.14