Finding the Fourth Proportional to 112,171.50, 168,268.59 and 45,601.38

Step by Step Solution

1. Step 1: Write the proportion equation
   112,171.50 : 168,268.59 = 45,601.38 : x
2. Step 2: Convert to fraction form
   112,171.50/168,268.59 = 45,601.38/x
3. Step 3: Cross multiply
   112,171.50x = 168,268.59 × 45,601.38
4. Step 4: Simplify right side
   112,171.50x = 7,673,279,914.65
5. Step 5: Solve for x
   x = 7,673,279,914.65/112,171.50
6. Step 6: Final answer
   x = 68,406.68