Finding the Fourth Proportional to 112,300.40, 168,304.92 and 45,662.96

Step by Step Solution

1. Step 1: Write the proportion equation
   112,300.40 : 168,304.92 = 45,662.96 : x
2. Step 2: Convert to fraction form
   112,300.40/168,304.92 = 45,662.96/x
3. Step 3: Cross multiply
   112,300.40x = 168,304.92 × 45,662.96
4. Step 4: Simplify right side
   112,300.40x = 7,685,300,829.76
5. Step 5: Solve for x
   x = 7,685,300,829.76/112,300.40
6. Step 6: Final answer
   x = 68,435.20