Finding the Fourth Proportional to 42,158.84, 63,238.02 and 17,198.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,158.84 : 63,238.02 = 17,198.76 : x
2. Step 2: Convert to fraction form
   42,158.84/63,238.02 = 17,198.76/x
3. Step 3: Cross multiply
   42,158.84x = 63,238.02 × 17,198.76
4. Step 4: Simplify right side
   42,158.84x = 1,087,615,528.86
5. Step 5: Solve for x
   x = 1,087,615,528.86/42,158.84
6. Step 6: Final answer
   x = 25,798.04