Finding the Fourth Proportional to 112,705.12, 168,911.16 and 46,069.12

Step by Step Solution

1. Step 1: Write the proportion equation
   112,705.12 : 168,911.16 = 46,069.12 : x
2. Step 2: Convert to fraction form
   112,705.12/168,911.16 = 46,069.12/x
3. Step 3: Cross multiply
   112,705.12x = 168,911.16 × 46,069.12
4. Step 4: Simplify right side
   112,705.12x = 7,781,588,499.38
5. Step 5: Solve for x
   x = 7,781,588,499.38/112,705.12
6. Step 6: Final answer
   x = 69,043.79