Finding the Fourth Proportional to 112,468.16, 168,638.46 and 45,830.27

Step by Step Solution

1. Step 1: Write the proportion equation
   112,468.16 : 168,638.46 = 45,830.27 : x
2. Step 2: Convert to fraction form
   112,468.16/168,638.46 = 45,830.27/x
3. Step 3: Cross multiply
   112,468.16x = 168,638.46 × 45,830.27
4. Step 4: Simplify right side
   112,468.16x = 7,728,746,403.92
5. Step 5: Solve for x
   x = 7,728,746,403.92/112,468.16
6. Step 6: Final answer
   x = 68,719.42