Finding the Fourth Proportional to 112,910.56, 169,394.31 and 79,695.49

Step by Step Solution

1. Step 1: Write the proportion equation
   112,910.56 : 169,394.31 = 79,695.49 : x
2. Step 2: Convert to fraction form
   112,910.56/169,394.31 = 79,695.49/x
3. Step 3: Cross multiply
   112,910.56x = 169,394.31 × 79,695.49
4. Step 4: Simplify right side
   112,910.56x = 13,499,962,538.66
5. Step 5: Solve for x
   x = 13,499,962,538.66/112,910.56
6. Step 6: Final answer
   x = 119,563.33