Finding the Fourth Proportional to 112,834.31, 168,242.69 and 109,734.23

Step by Step Solution

1. Step 1: Write the proportion equation
   112,834.31 : 168,242.69 = 109,734.23 : x
2. Step 2: Convert to fraction form
   112,834.31/168,242.69 = 109,734.23/x
3. Step 3: Cross multiply
   112,834.31x = 168,242.69 × 109,734.23
4. Step 4: Simplify right side
   112,834.31x = 18,461,980,650.39
5. Step 5: Solve for x
   x = 18,461,980,650.39/112,834.31
6. Step 6: Final answer
   x = 163,620.28