Finding the Fourth Proportional to 112,174.28, 168,215.34 and 42,017.48

Step by Step Solution

1. Step 1: Write the proportion equation
   112,174.28 : 168,215.34 = 42,017.48 : x
2. Step 2: Convert to fraction form
   112,174.28/168,215.34 = 42,017.48/x
3. Step 3: Cross multiply
   112,174.28x = 168,215.34 × 42,017.48
4. Step 4: Simplify right side
   112,174.28x = 7,067,984,684.14
5. Step 5: Solve for x
   x = 7,067,984,684.14/112,174.28
6. Step 6: Final answer
   x = 63,008.96