Finding the Fourth Proportional to 112,784.76, 169,212.72 and 67,855.29

Step by Step Solution

1. Step 1: Write the proportion equation
   112,784.76 : 169,212.72 = 67,855.29 : x
2. Step 2: Convert to fraction form
   112,784.76/169,212.72 = 67,855.29/x
3. Step 3: Cross multiply
   112,784.76x = 169,212.72 × 67,855.29
4. Step 4: Simplify right side
   112,784.76x = 11,481,978,187.29
5. Step 5: Solve for x
   x = 11,481,978,187.29/112,784.76
6. Step 6: Final answer
   x = 101,804.34