Finding the Fourth Proportional to 112,230.29, 168,314.29 and 31,158.69

Step by Step Solution

1. Step 1: Write the proportion equation
   112,230.29 : 168,314.29 = 31,158.69 : x
2. Step 2: Convert to fraction form
   112,230.29/168,314.29 = 31,158.69/x
3. Step 3: Cross multiply
   112,230.29x = 168,314.29 × 31,158.69
4. Step 4: Simplify right side
   112,230.29x = 5,244,452,784.68
5. Step 5: Solve for x
   x = 5,244,452,784.68/112,230.29
6. Step 6: Final answer
   x = 46,729.39