Finding the Fourth Proportional to 113,742.37, 169,446.01 and 108,624.79

Step by Step Solution

1. Step 1: Write the proportion equation
   113,742.37 : 169,446.01 = 108,624.79 : x
2. Step 2: Convert to fraction form
   113,742.37/169,446.01 = 108,624.79/x
3. Step 3: Cross multiply
   113,742.37x = 169,446.01 × 108,624.79
4. Step 4: Simplify right side
   113,742.37x = 18,406,037,091.00
5. Step 5: Solve for x
   x = 18,406,037,091.00/113,742.37
6. Step 6: Final answer
   x = 161,822.17