Finding the Fourth Proportional to 112,147.88, 168,174.30 and 41,978.28

Step by Step Solution

1. Step 1: Write the proportion equation
   112,147.88 : 168,174.30 = 41,978.28 : x
2. Step 2: Convert to fraction form
   112,147.88/168,174.30 = 41,978.28/x
3. Step 3: Cross multiply
   112,147.88x = 168,174.30 × 41,978.28
4. Step 4: Simplify right side
   112,147.88x = 7,059,667,854.20
5. Step 5: Solve for x
   x = 7,059,667,854.20/112,147.88
6. Step 6: Final answer
   x = 62,949.63