Finding the Fourth Proportional to 112,556.88, 168,713.82 and 73,142.28

Step by Step Solution

1. Step 1: Write the proportion equation
   112,556.88 : 168,713.82 = 73,142.28 : x
2. Step 2: Convert to fraction form
   112,556.88/168,713.82 = 73,142.28/x
3. Step 3: Cross multiply
   112,556.88x = 168,713.82 × 73,142.28
4. Step 4: Simplify right side
   112,556.88x = 12,340,113,462.31
5. Step 5: Solve for x
   x = 12,340,113,462.31/112,556.88
6. Step 6: Final answer
   x = 109,634.47