Finding the Fourth Proportional to 200,827.16, 301,056.42 and 69,407

Step by Step Solution

1. Step 1: Write the proportion equation
   200,827.16 : 301,056.42 = 69,407 : x
2. Step 2: Convert to fraction form
   200,827.16/301,056.42 = 69,407/x
3. Step 3: Cross multiply
   200,827.16x = 301,056.42 × 69,407
4. Step 4: Simplify right side
   200,827.16x = 20,895,422,942.94
5. Step 5: Solve for x
   x = 20,895,422,942.94/200,827.16
6. Step 6: Final answer
   x = 104,046.80